Sleep Tools
Weekly Sleep Diary
Use this printable weekly tracker to log bedtime, wake time, awakenings, daily habits, and anything that may be affecting your sleep quality.
What to track in the morning
- Bedtime and wake time
- Time to fall asleep
- How many times you woke up
- Total time awake during the night
- How rested or alert you felt in the morning
What to track in the evening
- Caffeine and alcohol timing
- Naps and exercise
- Stressful events or schedule changes
- Medication or supplements before bed
- Notes about what may help or hurt sleep
Frequently Asked Questions
Learn how to use the diary and get more value from tracking your sleep.
Why Sleep Tracking Works
Sleep diaries are the gold-standard behavioral tool in Cognitive Behavioral Therapy for Insomnia (CBT-I). Most people significantly misjudge their own sleep, overestimating how long they sleep by 30–60 minutes on average.
A 2-week diary reveals patterns invisible to memory: which nights are worst, what precedes a bad night, whether your sleep window needs adjusting. Sleep physicians and CBT-I therapists use diary data to calculate sleep efficiency, set new sleep windows for sleep restriction therapy, and track treatment progress.
What a Sleep Diary Tracks
Bedtime
When you got into bed with the intention to sleep.
Sleep Onset
Estimated time until you fell asleep (sleep latency).
Wake-After-Sleep-Onset (WASO)
Minutes spent awake during the night.
Wake Time
When you woke up for good in the morning.
Total Sleep Time (TST)
Actual time asleep: subtract latency and WASO from time in bed.
Sleep Efficiency
TST ÷ Time in Bed × 100. Target: ≥85%.
Sleep Diary vs. Consumer Sleep Trackers
| Feature | Sleep Diary | Wearable (Fitbit / Oura / Apple Watch) |
|---|---|---|
| Accuracy | Self-reported | Actigraphy estimate (±15–20 min error) |
| Gold standard for CBT-I | Yes | No |
| Identifies behavioral patterns | Excellent | Limited |
| Used in clinical trials | Yes (required) | Rarely |
| Cost | Free | $100–$500+ |
| Measures sleep stages | No (perception only) | Estimated (not validated) |
CBT-I Sleep Restriction Basics
Sleep restriction is the most effective component of CBT-I, building homeostatic sleep pressure to consolidate fragmented sleep.
The method: Calculate your average TST from the diary → Set your sleep window equal to TST (minimum 5.5 hrs) → Maintain a strict rise time → Expand window by 15 min per week when efficiency reaches ≥85%.
This feels counterintuitive (going to bed later when you're already tired) but works: 70–80% of patients see significant improvement within 4–6 weeks.
Important: Only attempt sleep restriction with guidance from a CBT-I therapist if you have OSA, bipolar disorder, or a seizure disorder.
Key Takeaways
- →2 weeks of diary data is enough to identify actionable sleep patterns.
- →Sleep efficiency is the most useful single metric from a diary.
- →Most people sleep less than they think and need to know their real baseline.
- →CBT-I, guided by diary data, outperforms sleep medication for long-term insomnia treatment.
- →A diary is also the most useful thing to bring to a sleep specialist appointment.
References
- Morin CM, et al. "Nonpharmacological Interventions for Insomnia." American Journal of Psychiatry. 1994.
- Harvey AG, et al. "Sleep disturbance as transdiagnostic: consideration of neurobiological mechanisms." Clinical Psychology Review. 2011.
- Espie CA. "Insomnia: Conceptual issues in the development, persistence, and treatment of sleep disorder in adults." Annual Review of Psychology. 2002.