Lack of water is the #1 trigger of daytime fatigue.
148
Termites work 24 hours per day and they do not sleep.
57
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149