According to the In Focus box: What You Really Want to Know About Sleep, which of the following is FALSE?
A)Yawning is typically followed by an increase in activity level.
B)Blind people frequently use sign language to "sleep sign" during sleep.
C)In a relatively common phenomenon called sleep paralysis, the paralysis of REM sleep carries over to the waking state for a short period of time.
D)Research has shown that increases in adenosine levels promote feelings of sleepiness.

Question

Quizplus · Accepted Answer

Blind people using sign language to "sleep sign" during sleep is not a commonly reported or studied phenomenon, making this statement false. The other options are based on factual aspects of sleep science: yawning can precede increased activity as a sign of wakefulness, sleep paralysis is a known phenomenon where REM sleep characteristics intrude into wakefulness, and adenosine is a chemical known to promote sleepiness.

According to the in Focus Box: What You Really Want