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Sleep
Fundamentals of Nursing
21
Nursing
Undergraduate 1
12/06/2009

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Cards

Term

 

Purposes of Sleep

Definition

1. Cellular growth

 

2. Repair of damaged tissues

 

3. Review and process days event

Term

 

Kinds of Sleep

(REM sleep)

rapid eye movement

Definition

* Mental/emotional equilbrium

* active sleep

*vital signs elevated/irregular (gastric secretions increase)

*vivid dreams

*process day events

*profound muscle relxation, twitching

*Consume more o2 & apnea during this stage

Term

 

Kinds of Sleep

(NRem sleep)

non rapid eye movement

Definition

* Restores body physically

 

*lowers B/P


*lowers pulse

 

*lowers respiration

 

*lower metabolism

Term

 

NREM Stages

Definition

I. Drifitng off to sleep, very light sleep, easily awakened

(involuntary muscle jerks)

II. Light sleep, body processes begin to slow (lowers V.S)


III. P and R continue slow, more difficult to arouse


IV. Deep sleep-P and R drop 20-30% below waking rates.  Very relaxed, rarely moves. Diffficult to arouse. Thought to physically restore body. Delta sleep/slow rate sleep


Term

 

Sleep Cycle

Definition

I, II, II, IV, III, II, REM,II,III,IV,etc

 

Typical last 90-100 minutes

 

4-6 cycles ppl go through.

example: NREM I-->NREM II-->NREM III-->NREM IV-->2nd NREM III-->2nd NREM II-->REM-->3rd NREM II-->wakefullness

Term

 

Influences on Sleep Pattern

(sleep habits)

Definition

Circadian Rhythmn-->Internal biologic clock; sleep is optimum when synchron with yoru clock.  Some ppl can reset their biological clock.

 

Desynchronized sleep-->poor sleep pattern is frequently changed.  Awakenings more likely.  Desynchronize sleep

Term

 

Environment

Definition

In the hospital, there is more desynchronize sleep.  Because of the different noise


problems in hospital: frequent urination, loneliness

Term

 

Age

Definition

Newborn-->sleep alot (16 hours) infant-->(10hrs)

 

Preschool-->(9-16hrs)

 

School age-->8-10 hours

 

adolescent-->7-9 hours

 

older adult-->6-7 hours

Term

 

Illness

Definition
Increase need for sleep, but also can interfer with sleep.
Term

 

Medications

Definition

Given as therapy.  If have to take steroids.  Timing of medications.  B/P is more variable.

 

For sleep, sedation decrease REM sleep

Term

 

Anxiety

Definition

Interfer with sleep. psychological needs also


Term

 

Alcohol

Definition

Smal amount induce sleep. Large amount interferes with Delta & REM sleep


Term

 

Exercise

Definition
No vigorous activity before sleep. 2 hours before bedtime is good.
Term

 

Nutrition

Definition
Hunger interfers with sleep. Snack prior to sleep calms you for sleep
Term

 

Caffeine

Definition
Stimulate interfers with sleep
Term

 

Naps

Definition

Too much daytime napping, interfer with sleep at night

 

Morning nap is more restorative

Term

 

Smoking

Definition
Keeps you awake (stimulator)
Term

 

Sleep Deprivation

(short term)

Definition

* fatigue

 

irritability

 

apathy

 

dark circles around eye

 

inattention/inability to concentrate

 

headache

Term

 

Sleep Deprivation

(long term)

Definition

* Behaviour & personality change

*distorted perception

*Hallucinations

*disorientation of time, place

 

Decrease coordination

 

slurred speech

Term

 

Influence of hospitalization and illness on sleep pattern

Definition

Desynchronized sleep

Poor quality, may exhibit some signs of short term deprivation

 

Sleep Deprivation

 

Sleep Fragmentation

Continually interrupt sleep cycle

Term

 

Physiological effects of sleep fragmentation and rebound REM

Definition

- increased myocardial irritabilty

 

-Ventricular fibrillation


-depressed pulmonary function


-increased intracranial pressure

-increased sleep apnea


 

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