REST AND SLEEP

DEFINITION:- rest is defined as a state of

relatively decreased bodily work either, physical, mental or both which leaves the individual feeling refreshed and revived.

REST.

SLEEP.

DEFINITION:- is a state of rest accompained

by altered level of conciounsness and relative inactivity and perception to the environment are decreased.

PHYSIOLOGY OF SLEEP... Activation of preoptic area.

Sleep promoting neurons project to wake promoting neurons and inhibit them.

The inhibition of wake promoting neurons work on other sleep promoting neurons and activates them.

Which result in intensifying the sleep process.

TYPES OF SLEEP..

N.R.E.M.:-(NON RAPID EYE MOVEMENT SLEEP..)

R.E.M.:-(RAPID EYE MOVEMENT SLEEP..)

N.R.E.M SLEEP

It consist of four stages:--

STAGE 1(TRANSITION TO SLEEP)

STAGE 1it is a light sleep from which the sleeper can

easily be awakened.In this the person is relaxed, breathing is

regular and deepEyelids slowly open and close, they become

heavy and suddenly without notice the person falls asleep.

This stage last for 5-10 mins.It is a 5% of total sleep.

STAGE 2(LIGHT SLEEP)

STAGE 2It is a light sleep.In this the brain activities are slow.The body processes are slow down.The sleeper can easily aroused.This is first stage of deep sleep.Last for 10-15 mins.50% of total sleep.

STAGE 3(DEEP SLEEP)

STAGE 3This is a deep sleep.In this stage the skeletal muscles are relaxed.Difficult to arouse.If awaked the person becomes disoriented or

confuse for sometime.Snoring may occur.Last for 5-15 mins.8% of total sleep.

STAGE 4(MORE INTENSE DEEP SLEEP)

STAGE 4This is the deepest sleep.Brain waves are very slow.Difficult to arouse.Body, mind and muscles are relaxed.Vital signs are decreased.Important for protein synthesis, cell devision

and tissue renewal.Last for 20-50 mins.11% of total sleep.

R.E.M SLEEP..Also known as the paradoxical sleep.After 70-90 min of sleep client enters into REM

sleepThe brain waves resembels those of a person who

is fully awaken.Brain become highly activeIn this the clients vital signs are increased but the

muscle activity and the deep tendon reflexes are depressed.

Lasts for 20-30 min.Accounts total 11% of total sleep.

FACTORS AFFECTING SLEEP...Degree of comfortAnxiety EnvironmentLife style FoodDrugs and alcoholLife span considerations

COMMON SLEEP DISORDERS...InsomniaHypersomnia Sleep apneaNarcolepsySleep walkingSleep talkingBruxism(grinding and clenching of theeth)Enuresis

NURSING MEASURES..provide comfort to the client.Provide quite and calm environment to the client.Provide adequate ventilation.Encourage the client to sleep at regular intervals.Induce sleep by a warm bath in the evening.Provide loose garments at night.Give comfortable position.Relive fear and anxiety of the client.Gentle massage on the back, arms, and legs to

induce sleep.

TH

ANKY

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