Understanding insomnia
If you are spending nights trying to sleep and days dealing with the effect, you deserve more than another list of bedtime rules. Learn what insomnia can involve and what support you can ask about.

When the opportunity to sleep is there, but sleep is difficult.
Insomnia involves trouble falling asleep, staying asleep or returning to sleep after waking, with effects on your waking life. Having too little opportunity to sleep is a different concern and still deserves practical support.
A difficult period can be short-lived or persist. A clinical assessment considers the pattern, duration and impact as well as other possible explanations. You do not need to decide whether you meet a diagnostic time limit before seeking help.
Based on NHS · NHLBI · NIH
Bring the night and the day into the picture.
- Opportunity
When you have time and space to sleep
- The night
What happens when you try to sleep
- The day
The effect on concentration, mood and activities
- The support
Causes to assess and treatment to discuss
The difficulty can affect more than the night.
Insomnia can involve trouble falling asleep, staying asleep or returning to sleep, alongside daytime difficulties. Concentration, energy and patience may be affected. It is more useful to explain your experience than to compare yourself with an ideal number of hours.
A professional can consider other contributors and conditions as well. Trouble sleeping is not proof that you have failed at a routine or that anxiety is the only explanation.
Based on NHS · NHLBI / NIH

Take a brief picture to your appointment.
Optional estimates and a daytime example can help explain what you mean. They help you describe your experience rather than prescribe a treatment plan. If recording sleep adds pressure, leave it out and describe the difficulty instead.
Private to this open page.
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There is no automatic saving, score, monitoring or interpretation. A copied note or downloaded file remains outside this page; remove it separately if needed.
Write optional private sleep notes
See a fictional example first
This example is made up. The times are not a target, diagnosis or recommendation.
- Tried to sleep
- 23:30
- Got up
- 07:15
- Night and day
- Awake for a while overnight. Felt tired at work; did not doze off.
Time in bed and time asleep are different. No duration, efficiency or sleep-quality grade is calculated.
Based on NHLBI · NIH
The impact can follow you into the day.
People describe insomnia differently. What matters for your conversation is your pattern and its effect, rather than checking every example.
Falling asleep
Taking longer to fall asleep than you would like.
Staying asleep
Waking repeatedly or being awake for long periods at night.
Waking early
Waking early and finding it difficult to return to sleep.
Your waking life
Feeling tired, irritable or less able to concentrate in the daytime.
Based on NHS · NHLBI · NIH
Trying harder to sleep can become part of the concern.
For some people, worry about sleep and habits around the bed become relevant to treatment. Other health, environmental or timing factors may also matter. This is one possible treatment discussion, not a universal explanation of insomnia.
In a fictional example, Fin finds that planning the next day around anticipated exhaustion takes up increasing attention. Fin also works changing shifts. Both the concern about sleep and the practical schedule belong in an appointment.
Fictional examples to explain an experience. They are not a checklist or a diagnosis.
Sleep effort / worry
What happens when you feel pressure to sleep?
Routines / environment
Which circumstances affect opportunities to rest?
Health / daytime effect
What else needs assessment or adaptation?
Based on NHS · NHLBI / NIH
Describe the difficulty, and look beyond it.
Assessment can include your sleep opportunity, schedule, daytime effects, physical and mental health, medicines and substances. Breathing symptoms or unintended dozing may call for a different sleep assessment.
ISI describes insomnia severity and impact; PSQI covers a broader month of sleep experience. Neither establishes the cause. A questionnaire, if used in care, supports a conversation rather than replacing it.
Based on NHLBI · NIH · University of Pittsburgh · Morin and colleagues · Sleep
- 1The difficulty
Falling asleep, staying asleep or waking early?
- 2The impact
What becomes harder during the day?
- 3The request
What support or assessment would you like to discuss?
Mention the things that do not fit a simple sleep-habits explanation.
A clinician can ask about sleep patterns, physical and mental health, medicines and substances. Mention loud snoring, gasping, unplanned dozing or unusual sleep events if relevant. Further tests depend on the concern; not everyone needs the same investigations.
A short example or optional note may help, including how workdays and days off differ. You do not need to calculate sleep efficiency or achieve a perfect record for this page.
Based on NHLBI / NIH
Ask about CBT-I and a plan that fits you.
Explore the options and ask what fits your circumstances and needs.
Based on NHS · NHLBI · NIH · VA/DoD
CBT-I is a treatment approach, not a list of bedtime rules.
Cognitive behavioral therapy for insomnia can address thoughts and behaviors associated with sleep, alongside education and other tailored components. It is commonly recommended for long-term insomnia. Ask about appropriately supported delivery and how the approach will fit your health.
Some components need careful adaptation. This page does not instruct you to restrict time in bed or run an unsupervised CBT-I course. Medicine and over-the-counter product questions should be discussed with a qualified professional, including benefits, risks and follow-up.
General information
Explains sleep concerns and possible contributors.
Individual assessment
Considers your history, health and daily context.
Supported treatment
Adapts the approach and reviews its effects with you.
Based on NHS · NHLBI / NIH
Your plan needs to make sense in your life.
Shift work, caring responsibilities, pain or housing circumstances can make generic advice difficult to follow. Tell the treating professional what is realistic and ask how the approach can be adapted. Difficulty following a rule is not a reason to stop seeking support.
If daytime sleepiness creates a safety concern, address that promptly and do not drive when sleepy. Optional notes can be put aside; support is not conditional on tracking every night.
Based on NHS · NHLBI / NIH
- Sleep timing and schedules
Read about a related but different question.
- The sleep information hub
Find other concerns and optional conversation notes.
- Medicine conversations
Prepare questions without choosing a sleep medicine online.
Find support. Prepare your next step.
Explore a tool, prepare a conversation or find someone to talk to. Choose what feels useful to you.
Prepare for a conversation
A few prompts to help you explain what you have noticed and what you would like help with.
- A simple notes builder
- Copy your notes to keep
- No account needed
You decide how much to write and share.
Find your wordsFind your next kind of support
Explore where to begin with everyday support, professional help or an urgent conversation.
- Ways to ask for help
- Country-specific crisis contacts
- Support at your own pace
If you need urgent help, go straight to support.
Find supportYour first sentence does not need to be perfect.
Arrange an appointment if sleep difficulty persists, your efforts have not helped or it is affecting daily life. A few examples can be useful; detailed tracking is optional and is not a requirement for care.
Based on NHS · NHLBI · NIH
“I have been struggling to sleep, and it is affecting my days. Could we discuss the causes and appropriate insomnia support?”Make it sound like you
Your questions, with room for nuance.
You can read just the answer you need.
Is CBT-I the same as sleep hygiene?
No. General habits are one area of sleep information. CBT-I is a structured treatment approach addressing relevant thoughts and behaviors, with components adapted to the person.
Based on NHLBI / NIH
Does this page tell me how little time to spend in bed?
No. Time-in-bed changes can need professional adaptation. This hub explains treatment purpose without giving a restriction protocol.
Based on NHLBI / NIH
Should I stop a medicine that might affect sleep?
Discuss the concern with the prescribing professional. Do not start, stop or change treatment based on this page.
Based on NHLBI / NIH · NHLBI / NIH
Can I seek care if I cannot follow a fixed schedule?
Yes. Explain work, caregiving or other constraints. The assessment and treatment discussion should consider your real circumstances.
Based on NHS · NHLBI / NIH
Where this information comes from.
Use this hub to learn and prepare questions. It does not diagnose you or recommend a personal treatment plan. By Selfmora editorial; sources checked . Updated .
Additional explanations and examples: sources consulted . Examples illustrate ideas; they do not assess your personal health. Your questions
- Insomnia: symptoms and help
- Understanding a sleep assessment and sleep notes
- Insomnia treatment, including CBT-I
- Excessive daytime sleepiness
- Sleep measures, original forms and permissions
- ISI: original psychometric study
- ISI: exact-version and electronic-use enquiries
- ESS: purpose, limitations and licence requirement
- 2025 chronic insomnia and sleep apnea guidance