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Nicotine

Nicotine promotes wakefulness through cholinergic receptors in the basal forebrain.

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Polysomnographic studies show that nicotine consumption increases the time it takes to fall asleep, shortens total sleep duration, increases early awakening, and suppresses REM and slow-wave sleep. However, the subjective impression of smokers does not always correspond to these observations.

The effect on sleep when you quit smoking is worsening and can last up to 3-4 weeks. with a specialist doctor.

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