Brief periods of spiky brain wave patterns called sleep spindles are characteristic of REM stage 2 sleep.
What is rapid eye movement?
Rapid eye movement or commonly called REM is a unique phase in the deep sleep that takes place in mammals and birds.
- REM is also known as desynchronized sleep or paradoxical sleep.
- REM and non-REM are usually alternated in one sleep cycle and it is known to last for about 90 minutes according to the study.
- Organisms that experience REM suspends homeostasis which causes larger fluctuations in blood circulation and respiration.
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