Week 04: Sleep Flashcards
What is SDB?
Sleep-disordered breathing
What is leptin?
satiety hormone
What does leptin have to do with sleep and obesity?
lack of sleep increases leptin resistance which leads to obesity
When does the sleep cycle/circadian rhythm start to establish in a child?
2-4 months of age
How long does a typical sleep cycle last?
90 minutes
How many non-REM stages are there?
3
What are the non-REM stages?
NREM 1: eye movements/eye rolling
NREM 2
NREM 3: difficult to arouse
What happens during REM sleep?
muscle paralysis
vivid dreams
How much of sleep is REM sleep for infants?
50%
How much of sleep is REM sleep at age 5?
25%
symptoms of lack of sleep
excitable
more anxiety
intense fatigue
At what age do babies no longer need nighttime feeds?
6 months onward
At what age do most babies start sleeping through the night?
3 months
How long do babies keep the 2nd nap?
age 1
When do children often give up the afternoon nap?
age 3
DEFINE: night wakening
a child awakens >= 1x between 12A-5A
4-7x per week
>4 consecutive weeks
What is the FERBER METHOD?
a sleep training method that teaches self-soothing
Define SIDS
death of an infant (< age 1) during sleep
Known associations with SIDS
not breastfeeding
smokers in the house
sleep on tummy
School-age sleep struggles: when to cut out screen time?
at least 1 hour before bed
Define PARASOMNIAS
sleep disorder that causes abnormal behavior while sleeping
Parasomnia: normal or abnormal
COMMON in childhood; decreases with age