Geri - Sleep disorders, FTT, Vision and Hearing loss, Skin Lesions Flashcards
what are the 2 types of sleep states?
Nonrapid eye movement (NREM)
REM
what are the 4 stages of sleep?
1 and 2: light sleep
-stage 1 is between wakefulness and sleep
3 and 4: deep sleep (REM sleep)
-Deep restorative sleep occurs here
what’s a “Normal Night”?
Begins with NREM -> REM sleep after 80 minutes -> cycle continued between NREM and REM with REM getting longer
in what state of sleep does deep restorative sleep occur?
REM (stages 3 and 4) - deep sleep
what is insomnia associated with?
daytime fatigue, irritability and problems with concentrating
what are the 4 common types of insomnia?
(1) Difficulty falling asleep
(2) Mid sleep awakening
(3) Early morning awakening
(4) Non-restorative sleep (don’t get into stage 3 or 4 of sleep)
how long do transient/acute insomnia sx’s last?
< 1 week
how long do short/subacute insomnia sx’s last?
1 week - 3 months
how long do chronic insomnia sx’s last?
3 months
sleep disorder NREM presentation?
- Change in sleep structure (stages of sleep)
- Change in sleep pattern (amount and timing) - mid sleep awakening
- Decrease in total sleep time
- Day time fatigue, irritability
- Problems with concentration
sleep disorder dx?
- Sleep questionnaires
- Sleep log
- Interview of bed partner
polysomnography (sleep study) is NOT indicated for regular evaluation of what?
insomnia
how are REM sleep d/o’s dx?
polysomnography (ex: sleep apnea)
sleep disorder NREM non-pharmacologic tx
Sleep hygiene
Behavioral therapy
Bright light therapy
what is sleep hygiene tx?
- Regular wake up times
- Limit daytime napping
- Avoid excess pm fluids, minimize noise, ambient temp
sleep disorder NREM pharmacologic tx?
Benzo’s
Non-Benzo’s (Trazadone)
OTC meds (melatonin, APAP, “night cap”)
why caution with short acting Benzo’s?
rebound insomnia increased risk of fall, hallucinations
why caution with long acting Benzo’s?
can have carryover effects into the day time -> risk of falls
what is sleep apnea caused by?
Collapse of the oropharyngeal structures
how long does breathing stop for in sleep apnea?
10secs-minutes
what is the MOST IMPORTANT predictor for sleep apnea?
Obesity - increased BMI
what are the 2 types of sleep apnea and which one is the M/C?
Obstructive (M/C)
Central
what is Obstructive sleep apnea d/t?
anatomy or obesity
-collapse of oropharyngeal structures (tongue falls back and blocks airway)
what is Central sleep apnea d/t? examples?
brain fails to transmit signals to breathing muscles
Ex:
- Parkinson’s
- Stroke
- CHF