Glossary: Sleep

sono REM (rapid eye movement)

REM sleep is the final sleep phase. During this sleep phase, dreams are often experienced.

Sono profundo

In the deep sleep phase the eye movement and muscle movements stop. The heart rate and breathing rate will slow down. It is difficult to be woken up during this phase.

Sono leve

Light sleep is the first phase. Eye movements and muscle activity become calmer and your body prepares for the deep sleep phase.

Acordado

Waking phases should generally not occur during a good night's sleep but cannot be avoided.

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