English conversation

21 11 2023

Sleep


Dreams vs nightmares



REM and non REM sleep

Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in mammals and birds,
characterized by random rapid movement of the eyes, accompanied by low muscle tone throughout the
body, and the propensity of the sleeper to dream vividly.

Do you tend to have pleasant dreams or nightmares?

What are lucid dreams?

A lucid dream is a type of dream in which the dreamer becomes aware that they are dreaming while
dreaming. During a lucid dream, the dreamer may gain some amount of control over the dream
characters, narrative, or environment

What are the main types of sleeping disorders?


Sleep disorders, sleepwalking, snoring

Insomnia

 There are two classifications of insomnia, acute and chronic. Acute insomnia is short-term and can
be caused by jetlag due to international travel or a traumatic experience. Chronic insomnia is
long-term and lasts for more than a month.

Narcolepsy

Narcolepsy refers to excessive daytime sleepiness or drowsiness that cannot be controlled. People
with this condition tend to suffer from sudden attacks of sleep at random moments during the day –
even while operating machinery or working.

Restless Legs Syndrome (RLS)

RLS is a condition that causes your legs to move or shake because of an unpleasant sensation. It
usually happens during nighttime when you sleep, which makes it difficult to fall or stay asleep.
RLS can occur at any age, although it is commonly observed in adults and gets worse with age.

The importance of power naps and siestas

What is a power nap?

What is the ideal duration of a power nap and siestas

Power naps at work (in companies like Google)

Sleep hygiene (temperature in the room, food, light, pre-sleep activities)