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Saturday, January 17, 2015

Overcoming Insomnia and Sleep Problems: Colin Espie


Contents
Chapter 1: Normal Sleep. 2
Stages of Sleep. 2
Chapter 2 Normal variations in sleep. 3
Chapter 3 Poor sleep and insomnia. 4
Chapter 3 The consequences of insomnia. 6
Sleepiness and fatigue. 6
Problem concentrating. 6
Irritation and moodiness. 6
On Becoming depressed. 7
Coping and everyday life. 7
Insomnia and its effects on the family. 7
Effects of insomnia on social life and working life. 7
Is insomnia doing me any harm.. 7
Chapter 3.1 Introduction to treatment. 7
Chapter 5 assessing your insomnia. 7
Chapter 6 Understanding sleep and insomnia. 10
Chapter 7 Sleep hygiene and relaxation. 11
Lifestyle factors affecting sleep. 12
Caffeine. 12
Nicotine. 12
Diet. 12
Exercise. 12
Pre bedtime routine. 12
Noise. 12
Room temperature. 12
Body temperature. 12
Air Quality. 12
Lighting. 12
Mattresses and Pillows. 12
Bed time wind down. 12
Learning to relax. 13
Chapter 8 Scheduling a new sleep pattern. 13
Associating bed and sleep. 13
Napping. 13
Amount of sleep. 13
Bedtime. 13
Schedule. 13
Chapter 9 Dealing with a racing mind. 14
Types of thought that may occupy. 14
Dealing with a racing mind. 14
Thought blocking. 14
Imagery. 14
Sleep Scheduling. 14
Give up trying to sleep. 14
Attentional focus. 15
Evaluation. 15

Chapter 1: Normal Sleep

During sleep:
1.       Body tissue is repaired
2.       Growth hormone can be released.
3.       Proteins are laid down
4.       Selective hormones are released
Sleep can be measured by
1.       EEG
a.       Measures brain waves
2.       EMG
a.       Measure muscle tone
3.       EOG
a.       Measure eye movement
4.       A polysonograph uses all approaches

Stages of Sleep

We have our deepest sleep in the first third of our sleep.
1.       Stage W: Wakefulness
a.       Low amplitude high frequency, random EEG
2.       Stage 1 Sleep (lasts a couple of minutes)
a.       EEG waves slow down (theta waves)
b.      Muscle tone relaxes
c.       Rolling eye movement
3.       Stage 2 Sleep (overall 50-60% of sleep, first stage quite short)
a.       Mixed EEG frequencies and amplitudes, but do see K complexes (initially descending then ascending EEG wave), also get sleep spindles, i.e. rapid bursts of high frequency waves
4.       Stage 3=deep sleep
a.       20-50%Slow wave sleep: Higher waves, more slowly occurring.
5.       Stage 4=deep sleep
a.       Over 50% Slow wave sleep: Higher waves, more slowly occurring.
6.       REM Sleep
a.       Light form of sleep, with EEG profile similar to wakefulness
b.      EMG: loss of muscle tone
c.       EOG: rapid eye movement
SOL=Sleep onset latency, the time it takes to fall asleep
WTASO=Wake time after sleep onset, how much was the person awake after falling asleep, before getting up

Sleep efficiency below 85% is considered a problem= total sleep time\time in bed. Improving sleep efficiency rather than time asleep is one of the keys to curing insomnia.
PsychoPhysilogical insomnia is insomnia that can be objectively measured using a PSG

It is quite hard to estimate, time taken to sleep, time spent asleep, so over estimation is common. PSG don’t always capture the subjective feeling of sleep. For instance fast EEG waves or times that you get wake up very briefly
Paradoxical insomnia: complaining of insomnia but actually sleeping, according to the PSG

Chapter 2 Normal variations in sleep

Sleep varies both across the night, and across the week. It also varies with age and stage of development. It also varies person to person.
A sleep hypnogram is an EEG pattern through the night.
Deeper sleep dominates first half of night, lighter sleep in the second half. At the end of each sleep cycle there is a period of REM. There is a progressive fragmentation of sleep in the over 60s.
Definition of insomnia=having 3 bad nights a week

Things to help sleep
Routine

Things that reduce sleep
Stress

Sleep deprivation:
No REM sleep=disorganisation of mental processes, such as perception, thinking, learning and memory

Insomnia isn’t sleep depravations, rather a sleep debt that the sleep homeostat seeks to pay off.

Sleeping style
Some people can sleep anywhere at any time, others are much more particular. Some insomniacs can sleep much better in unfamiliar surroundings, maybe as they associate their bed with not sleeping.  Alternatively they maybe don’t have any expectations of sleeping, so there is no stress around.

Owls and Larks
An owl is someone whose circadian rhythm is greater than 24 hours, so needs to use social queues as to when they need sleep and when they need to wake. They tend so sleep and rise later and these times may be erratic.

Larks are people whose circadian rhythm is 24 hours long and they tend to sleep and rise earlier, and more consistently.

Average sleep
Young adult 7.5-8.5
Adults=7-8 hours
Older adult 6-6.5

Triggers to poor sleep
Something important on your mind=stress\anxiety
Sleeping in unfamiliar environments
Something upsetting has just happened
Poor sleep is usually a temporary experience for people

Chapter 3 Poor sleep and insomnia


Insomnia as disorder of initiation or maintenance of sleep. Some people sleep but don’t find it restorative.

Criteria
Complaint =initiation or maintenance of sleep
Frequency=3 or more nights
Severity= over 30 mins to get to sleep or over 30 mins awake after onset
Duration=over 6 months
Effects=marked distress

Clinical cut off is .85, i.e. 15% of being in bed time is awake

Insomnia sub types
Primary insomnia is where you meet the above criteria, and there is no physical or psychological cause of it, primary insomnia is also known as psychophysiological insomnia. Paradoxical insomnia is where people state they don’t sleep, but a PSG report suggests they do.

Physical causes of sleep difficulties
Breathing problems
Neurological problems
Fever
Anything that affects the immune system, heart disease, cancer
Any other problems that can disturb sleep, i.e. pain, bladder needs


Psychological causes of sleep difficulties
Anxiety
Depression
Stress

Substance causes of sleep disorders
Drugs legal and illegal
Alcohol
Cutting down on sleeping pills.

 If there is a physical\psychological cause to insomnia then this means you have secondary insomnia

Anxiety about sleep can be a precipitating factor for insomnia. Sleeping earlier and staying in bed later can also be a problem for insomnia, as this can reduce sleep efficiency, and compound thoughts about I have a sleep problem and its attendant anxiety.
One common belief about sleep that can be dysfunctional is that how I feel in the morning is a direct result of how I sleep. So that how I sleep will have a bearing on how I feel the next day, which in turn puts pressure on sleep performance, and these anxious thoughts then make it harder to sleep
Sleep problems development
Sleep problems can develop as you lose your automaticity of sleep, people start paying attention to sleep then bringing intention to sleep in, i.e. plans to sleep, then evaluating their success or failure. It is at this point that you can end up with acute insomnia as this strategy provides anxiety about sleep.
If you believe you are unable to sleep, then this is a source of danger, which then provokes anxiety about sleep, which then prevents sleep
Treating sleep disorders with sleeping pills can have problems. It is useful for short term problems, but in the longer term, then tolerance builds up to the drug, and you get rebound insomnia if you try to come off

Chapter 3 The consequences of insomnia

Whilst the problem of insomnia, is getting to and staying asleep, lying in the dark at night hoping for either sleep to come or the morning is an unpleasant experience. The unpleasant experience can lead to depressive symptoms.
So insomnia is unpleasant in itself and has unpleasant effects

Sleepiness and fatigue

Fatigue=numbing, depressing, losing energy and motivation
Sleepiness=wanting to fall asleep
You could not go 72 hours without sleep.

Problem concentrating

When we are alert we perceive, and we pay attention to that which is important to us. When we are tired the reverse is true and we have problems concentrating.  This means it takes us more effort, it is harder to pay attention to that which is important to us. It also appears harder to retrieve things from memory. Now it could be that both attention and  memory retrieval take the same amount of energy, but given we have less energy it feels more onerous or that actually it takes more effort as we are tired.

Irritation and moodiness

When we haven’t had enough sleep then our attention span is short, and we have to make more effort to keep attention, therefore it takes longer to do what we want to do, and then this irritates us, as we can’t perform to our usual standards.  We can also get a nervy edginess, which can be the body’s way of trying to keep alert when it hasn’t had enough sleep.

On Becoming depressed

Insomnia and depression seem reciprocal difficulties. We can’t sleep as we ruminate and have had an unsatisfactory day, we wake tired and listless, without the energy to have a meaningful day.

Coping and everyday life

Symptoms of insomnia are tiredness, mental slowing, irritability, problems concentrating. The overall impact of this is that it effects the type of things that we can do.  Exactly what relation between sleep and day time performance is hard to be exact but there does seem a relationship. Sleep problems=decreased performance during day, increase unpleasant emotions=sleep problems due to stress\anxiety\low feelings + anxiety about sleep.

Insomnia and its effects on the family

Insomnia can give a strong feeling of loneliness. People with insomnia can also worry about the effect that it has on their partner, therefore they can be worried about this as well, as their own worries about their sleep.

Effects of insomnia on social life and working life

People with insomnia don’t feel at their best, tired, irritable, poor concentration which affects their work and social life, which in turn can add to depressive\anxious feelings.

Is insomnia doing me any harm

Insomnia can trigger depression and physical health problems are more common in people with insomnia, as insomnia lowers an individual’s ability to fight off infection.

Chapter 3.1 Introduction to treatment

Plan:
Chapter 5: Assess
Chapter 6 Review facts about sleep and insomnia
Chapter 7 Sleep hygiene
Chapter 8: implement new sleep patter
Chapter 9 Dealing with a racing mind
Each chapter needs a week

Chapter 5 assessing your insomnia

Start date 29/12/14
The aim here is to gather your personal sleep history
Aim of chapter: to provide you with the means to assess the nature and severity of your sleep problem and its impact on your life. Then to establish a goal
Assess your personal sleep history with:
Table 5.1 Your Personal Sleep History
Content Area
Starter Question
Further Questions
Pattern
What is  the pattern of your sleep on a typical night
How long does it take you to fall asleep?
How often do you wake up?
How long are you awake for during the night?
How much sleep do you get
How many nights each week are like this
Quality
How do you feel about the quality of your sleep?
Is it refreshing?
Is it enjoyable?
Is it restless?
How would you describe it in your own words?
Daytime effects
How does your night’s sleep affect your day?
Do you feel tired?
Do you feel sleepy?
Do you have problems concentrating? Do you feel irritable?
What do you think your insomnia does to your day?
When are the worst times of the day?
Impact on your life
How does your insomnia affect your quality of life?
What consequences does insomnia have for you?
What are you not able to do because of your insomnia?
How would things be different in your life if you overcame your insomnia?
Development of sleep problems
Do you remember how and when your poor sleep started?
What were the events and circumstances then?
What were the important dates and times?
How has your sleep changed over time?
Has anything happened that has made it worse?
Has anything happened that has made it better?
Lifetime history of the sleep problem
Did you used to be a good sleeper?
How did you sleep as a child?
How did you sleep as a teenager?
How did you sleep as a young adult?
Were there previous episodes of poor sleep?
Dates and times?
Did these past episodes resolve? If so how?
Family history of sleep and sleep problems
Do other people in your family have problems sleeping
Do either of your parents have sleep difficulties (now or in the past)?
What about brothers and sisters?
What about the extended family, including grandparents?
Does anyone have problems that are similar to your problems sleeping?

General health and medical history
Have you generally kept in good health?
Have you had any major illnesses?
Have any health problems been persistent ones?
Dates and times?
Have there been any recent changes in your health
History of psychological well being
Are you the kind of person who usually copes well?
Have you had any psychological problems?
Any problems with anxiety or depression or stress?
Dates and times?
Current and previous treatment for insomnia
Are you taking anything to help you sleep?
What (if any) medicines are you taking now to help you sleep?
What have you taken in the past?
Dates and times?
Are you taking anything you have bought over the counter?
What sorts of things have you tried to do yourself to help you sleep?
What have you found that has worked and what hasn’t?

Use a sleep diary to quantify your sleep:
Week Beginning___________________________________
Measuring the pattern of your sleep                   

Day 1
Day 2
Day 3
Day 4
Day 5
Day 6
Day 7
1. What time did you wake this morning







2. What time did you rise from bed this morning







3. What time did you go to bed last night







4. What time did you put the light out







5. How long did you take to fall asleep







6. How many times did you awake during night







7. How long were you awake during the night







8. How long did you sleep altogether







9. How much alcohol did you have last night







10. How many sleeping pills did you have
















Measuring the quality of your sleep
1.    How well rested do you feel this morning
0
1
2
3
4
Answer =

Not at all
Moderately
very

2.    Was  your quality of sleep good





Answer =

On the basis of doing your history and measuring your sleep for a few weeks specify a SMART goal for your sleep

Chapter 6 Understanding sleep and insomnia

Aim: to remind you about normal sleep and sleep disorders and their effects
1.       People need less sleep in later life?
a.       Babies need 18 hours, deep and REM sleep is a larger proportion of sleep for younger than older people. Older people have more broken sleep, and therefore have more sleep difficulties, they need less deep\REM sleep conceivably as for the latter they are learning less new type of tasks. However it is debatable if older people need less sleep, some argue many of the signs that are taken as dementia are actually effects of insomnia. It is certainly the case that older people have more sleep difficulties and lighter sleep.
2.       We tend to sleep better as the night goes on
a.       Our deepest sleep is during the first couple of hours and our lighter sleep during the second half of the night. We get the biggest payback out of the early episodes of sleep
3.       We should try to make up for all our lost sleep on the subsequent night
a.       Whilst we have a sleep debt if we don’t sleep enough, we don’t need to repay all the next night.  Whilst a regular incurred sleep debt causes problems, we do adapt to less sleep on an infrequent basis. Often if you have poor sleep one night then next night you have deeper, more restorative sleep.
4.       Dreaming a lot is usually a sign of emotional upset
a.       We usually have 6 spells of dreaming during the night. We dream in REM 80% of the time, and in NREM 15% of the time, so this is not the case.  It is possible we dream more when we have things on our mind, drug withdrawal creates more dreams, and a recurring nightmare can relate to an unpleasant experience.
5.       Sleep is important for our memory?       
a.       In sleep our minds and our bodies are refreshed. Without sleep acquiring new skills is harder, and new memories are harder. There is not a direct correlation to how tired your body to how much sleep you need, or to how much mental exertion you have made.
6.       The more sleep we can get the better we will feel the next day?
a.       This is not the case. There is a normal distribution for length people sleep, people who sleep more than this do not feel any better generally than people who don’t. Oversleeping can increase sleep inertia.
7.       Feeling irritable during the day probably means our sleep is poor
a.       Irritability can be associated with insomnia but it could be because we are so irritated that we couldn’t sleep, or the fact our lives suck or… So being tired can lead to being irritated but annoyance of not being able to sleep is likely to be a factor too
8.       Most adults sleep 7-8 hours a night?
a.       True  but some people are fine with less some need more
9.       There is no such thing as deep sleep?
a.       False, there are 1.5 hour sleep cycles and deep sleep, or slow wave sleep is part of this cycle as is lighter sleep
10.   Daytime sleep may be an important sign of a sleep disorder
a.       When people are sleepy they are also tired, but the reverse is not true. So tiredness is when your body and mind feel heavy and aren’t working that well, sleepy is when your eyelids are drooping and you can’t keep them awake.
11.   Sleep problems usually pass away quite quickly
a.       This is true but 10% of adults experience persistent sleep problems and it can be 20% in the over 65 year olds
12.   Most people don’t cope well after a bad night’s sleep
a.       Thoughts like I’m never going to sleep, or without sleep I’m never going to sleep are exaggerated and make you more upset, and both restrict the amount of sleep you get and reduce your mood in the morning.
13.   Sleeping pills are addictive
a.       Sleeping pills can be useful for the short term, but if we take them too long, when we stop it might make getting sleep harder. Many types of sleeping pills change the type of sleep we get which isn’t as good as natural sleep. Some sleeping pills are dependency forming
14.   Taking a nap should be avoided if at all possible
a.       If you have persistent insomnia then a nap could help, however if you are having difficulty getting to sleep, then a nap could reduce your desire to sleep. Naps of more than 15 mins will affect your ability to sleep
15.   Life changes can cause insomnia
a.       This can be true as it increases anxiety, but then when the anxiety goes sleep returns, unless of course worry about sleep is now a behaviour
16.   Some people can go without sleep
a.       This is false, you can stay up for a night, but after that your performance reduces a lot. People who sleep less on average can also be measured during the day at EEG levels that are comparable to light sleep. They are sleepy but have just learnt how to cope
17.   Depression causes insomnia
a.       Insomnia is a symptom of depression, but insomnia is a precursor and a good predictor of depression.

Establish your beliefs about sleep and your sleep and see what the effect of these thoughts are

Chapter 7 Sleep hygiene and relaxation

Two parts of sleep hygiene:
1.       How lifestyle affects sleep
2.       Developing a good sleep routine
Aim of chapter:
To introduce a healthy and natural sleep patter without having to use medication and to learn how to relax

 

Lifestyle factors affecting sleep

Caffeine

This is a stimulant that can last many hours it is a good idea not to have any caffeine 4-6 hours before bedtime

Nicotine

This is a stimulant, so try to not sleep before going to bed or if you wake up in the middle of the night

Diet

Hunger can cause wakefulness and sleeping on a full stomach can cause wakefulness as our digestion interferes with sleep.  Weight changes can have some effect on sleep, too much weight loss over a short time can lead to short broken up sleep. Only lose a pound or two a week.

Exercise

People who are physically fit have a better quality of sleep, although exercise per se doesn’t promote good sleep. It could be that exercise improves mood, reduces anxiety therefore improves sleep.  However strenuous exercise before bedtime, can make it harder to sleep as your heart is still pumping.

Pre bedtime routine

Noise

Noise is an enemy of sleep, although some find absolute quiet disturbing. To help you can use a white noise generator, or gentle music, or relaxation techniques or ear plugs. A noise also is more than its level, people tend to be more affected by noises they think are rude, inconsiderate, so you may want to look at your beliefs about noise that affects you and see what the emotional outcome of your belief is.

Room temperature

Err on the colder side, but too hot or too cold can cause sleep problems. Ideal temperature 18c

Body temperature

Poor sleepers have higher body temperatures than good sleepers. Therefore don’t have a hot bath straight before bed, have one a couple of hours before bed time.

Air Quality

A stuffy room causes uncomfortable sleep, so open the window just before going to bed

Lighting

Natural light is a trigger to circadian rhythm.  Ensure your room is dark

Mattresses and Pillows

People with insomnia sleep better in unfamiliar environments, which could mean because they don’t have the insomniac associations with the unfamiliar environment. It could be that the other bed suits them more.

Bed time wind down

Start 60-90 minutes before bed time, stop stimulating activities, but don’t be too inflexible as this will cause an anxiety if your regime is broken.

Learning to relax

Being more relaxed helps you to sleep, so learn to relax, via progressive muscle relaxation techniques and mindfulness to aid with sleep. And
There are active and passive ways of relaxing
Active would be working out at the gym or doing a crossword
Passive would be PMR, mindfulness, listening to music.

The challenge to improve sleeping is to improve your lifestyle, improve your bedtime routine, but not try too hard, that you worry and have anxiety about sleeping.

Chapter 8 Scheduling a new sleep pattern

Sleep scheduling uses stimulus control and sleep restriction.

Associating bed and sleep

Your body can give sleep responses in response to a cue. So you want to associate your bed with sleep, not with insomnia.  Therefore adopt the 15 minute rule. If you are awake for more than 15 minutes in your bed and you’re not having sex, then get up and do something else, relaxing.

Napping

Avoid this unless you absolutely must if you are suffering from insomnia

Amount of sleep

Establish the amount of sleep you need by measuring the actual time that you sleep for 10 days and averaging it. Then go to sleep at the time that would allow you to wake having had this amount of sleep.

Bedtime

You should go to bed when you are likely to fall asleep straight away and sleep right through until your desire waking time. This is when you are sleepy, not when you are tired, and not when its bedtime. This is known as the threshold time. You should always go to bed after your threshold time. The smallest you should set your sleep time is 5 hours.

Schedule

Create this sleep schedule based on your threshold time for 7 days a week, whilst you establish a pattern
Adjustments in schedule
When you are sleep efficiency is 90% or over then you can flex your average sleep time you are aiming for by 15 minutes, repeat for 7 days and if you are still at 90% then you can repeat.

Chapter 9 Dealing with a racing mind

Types of thought that may occupy

1.       Replaying, Planning, Rehearing
2.       Problem solving
3.       Thinking about sleeping
4.       Monitoring your body
5.       Thinking about thinking
6.       Thinking about things that go bump in the night
a.       E.g. things happening outside you may be anxious about

Dealing with a racing mind

1.       Analyse what type of thoughts you have that keep you away
2.       Putting the day to rest
a.       Give yourself 20 minutes before bed time
b.      Knowing your thought proclivity then
                                                               i.      Replaying, planning, rehearsing
1.       Given the 20 mins do these activities, and if there’s anything outstanding, plan to do tomorrow. If it feels too much and a stress, decide on what the most important thing is
                                                             ii.      Problem solving
1.       As above
                                                            iii.      Thinking about sleeping
1.       Put these thoughts aside, or challenge them, worrying about sleeping is going to stop you sleeping
                                                           iv.      Thinking about sleeping/your body
1.       As just above
                                                             v.      Thinking   about things that go bump in the night
1.       You may want to challenge these thoughts

Thought blocking

For trivial thoughts then mouth the but don’t say it every 2 seconds for up to 5 mins

Imagery

Complete a vivid, attractive image that you can immerse yourself in. Practise this when conscious then when you go to bed repeat this to engage with as opposed to sleep blocking thoughts

Sleep Scheduling

Stick to your sleep schedule

Give up trying to sleep

When you have sleep difficulties then first of all you pay attention to i.e., i.e. sleep attention, you notice that it’s a problem.
Then you try to make sleep an intentional act and you then start making effort. Trouble is with effort comes anxiety about sleep and frustration if you don’t, both of which are counter productive
To give up trying to sleep then: lie in bed with your eyes open, when you start drifting off to sleep hold your eyes open for another minute
Think of wakefulness as an opportunity not a disaster.
Try as often as you can to be carefree about insomnia
Give up any concern about falling asleep, rather if you are awake try to enjoy it without stimulating yourself, relaxation exercise, and imagery

Attentional focus

Use humour and decatastrophise the situation, this weakens your focus on the situation. The other way to loosen your attentional focus, is to completely give up trying going to bed, so this would mean going to bed when you are sleepy not because its bedtime,
If you are paying attention to your sleep, you may well produce an attentional bias to signs of insomnia, which will magnify them. The aim of this work is to draw your attention away from insomnia
You need to stop monitoring your sleep, paying attention to it, so don’t watch the clock, monitor the light in the room, or the  noise, rather you want to just relax and sleep will come

Evaluation

Evaluate how you feel in the morning, and then look at all the possibilities of why you feel like that, it may not all be about sleep. Your beliefs that it is puts pressure and anxiety on the need to sleep which again can be counter productive



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