Termites work 24 hours per day and they do not sleep.
57
The average cat sleeps about 2/3 of the day.
203
Those who get out of bed by 7am are more likely to be thinner and happier.
20
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23