You forget 90% of your dreams.
256
Termites work 24 hours per day and they do not sleep.
57
47% of people have a nightmare at least once a month.
186
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Lack of water is the #1 trigger of daytime fatigue.
148
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
You burn more calories sleeping than you do watching television.
348