Sleep, Energy, Mood: Three Notes a Day That Tell You More Than You Think

Most of us are very good at remembering the dramatic days and very bad at remembering the ordinary ones. A week later, we cannot say whether we slept badly on Tuesday or Thursday, or when the tired spell started.
Short daily notes fix that. They do not need to be long, and they are not about judging yourself. They are about having something to look back on.
Three notes, under a minute
Pick a time that already exists in your day, such as brushing your teeth at night. Then write down three things.
- Sleep. How many hours, and how did it feel? "Six hours, woke twice" is enough.
- Energy. A number from one to five at midday is a good habit. Low, medium and high works too.
- Mood. One word. Calm, flat, irritable, cheerful, anxious. Use whichever word is closest.
That is all. If you want a fourth, add a line for anything unusual: a late meal, a long journey, a stressful meeting.
Why these three
Sleep, energy and mood affect each other, and they often shift together. Seen for a single day, the notes mean little. Seen over a few weeks, patterns tend to show up: low energy after short nights, a mood dip at a similar point each month, a better week when you walked in the morning.
If you also track your cycle, putting these notes next to it can help you see your own rhythm. It is information about you, not a rule you must follow.
How to use what you notice
- Plan with it. If you notice a tired stretch, you can put the demanding meeting or the long trip on a different day where possible.
- Be kind to the pattern. A low day is a data point, not a failure.
- Bring it to your appointment. A doctor can do more with "my sleep has been under six hours for three weeks" than with "I have been tired".
Keep it easy
The best tracking habit is the one you keep. If a note feels like homework, shorten it. A missed day is fine. Start again the next day without catching up.
Tanaya keeps your cycle and daily notes together in one place, and can prepare a monthly summary you can show to your doctor.
Tanaya is a wellness information app. It does not diagnose, treat or replace advice from a qualified doctor. If something worries you, or a symptom is severe or persistent, please speak to a healthcare professional.

