Sleeper diary
Ruth
The longest sleeper in the study, and the lightest.
Who
Retired pilot, 71
Where
Dublin
Usual bedtime
22:10
Hours a night
7h 24m
Wake-ups
3
In one line
Forty years of time zones. Now I just go to bed at ten.
One night, drawn
A typical night from the ring: deep sleep at the bottom, awake at the top.
Asleep7h 24mAwake
The diary
Night 6
Bed at 22:10, awake at 03:00 for no reason, back asleep by 03:40. I used to call that the Singapore hour.
Night 15
The ring says I get almost no deep sleep. I feel perfectly rested. My doctor says both can be true at 71.
Night 25
Grandchildren stayed over. Slept nine hours afterwards, which I have not done since 1989.
More diaries
Five more people, five more kinds of night.
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