A sleep diary is a record of your sleep patterns over a long period of time (usually at least 2 weeks). It includes the time you go to sleep and wake up. A sleep diary can help doctors diagnose sleep disorders.
A sleep-wake diary (or journal) tracks more data than a sleep diary and can help you see patterns, such as:
- How your energy and alertness change during the day and
- What may be making your symptoms better or worse
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