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10 Cards in this Set

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strogatz analysed the free running studies - in particular, the desynchronisation of the CBT and the sleep/wake cycle. Why?
to try and work out whether the cycles influence each other and how much?
What did Strogatz look at in particular?
the sleep onsets across the 24 hour period.
What did he identify?
the presence of sleep forbidden zones occuring across the 24 hours, which occur regardless of how many hours one has been awake. Also called Wake maintenance zones.
When were the wake maintenance zones when fewest sleep onsets occured?
-max CBT and a few hours afterwards ie 6pm onwards
-when CBT is on the rise ie 9-11am(this one not as robust or long lived as the evening one)
When are the 'sleepy zones"?
-at CBT min
-a few hours before CBT max (early to mid pm 'post lunch dip")
There are --- WMZs and --- sleepy zones.
If you had a really late night and had the opportunity to sleep during the day, what time of day would it be easiest to go to sleep?
1-3pm post lunch dip. Not 9-11am.
When did Strogatz identify 'wake up sones"
- at a time of increasing CBT usually 4-7 hours after Tmin.
If you haven't had much sleep, will you still wake up in your alterness zone/
yes, even you have only had a few hours sleep, you will probably wake up 4-7 hours after Tmin.
What do free running studies NOT test?
The ability to fall asleep if they wanted to. Only looked at when they wanted to go to sleep.