Billymadison420 wrote: ↑Mon Oct 17, 2022 7:26 pm
palerider wrote: ↑Mon Oct 17, 2022 7:13 pm
Billymadison420 wrote: ↑Mon Oct 17, 2022 11:16 am
Am I going from wake up N1, or is it just W?
Well, by definition, if you're awake, you're not in N1.
Let me more direct with my question. Is Sleep wake a process from W>N1>W or is just W>W>W?
The transition between sleep and wake is not always as simple as an on/off switch.
On an in lab test like an MSLT or night time sleep test, the epochs are really short---I think they're 30 seconds, but I could be wrong. (Maybe Rubicon or someone else can correct me.) And if you are having some trouble transitioning from either wake to sleep or from sleep to wake, you could easily see a whole bunch of W's mixed with a whole bunch of N1s and possibly even a few N2s all lined up together in the EEG data.
And "trouble" transitioning does not mean a medical problem. If you're just plain uncomfortable and you're tossing and turning a lot, it's possible to bounce back and forth between W and N1 while thinking you're awake the whole time. Or it's possible to be awake the whole time, but think you might be getting a few snippets of sleep here and there: Lots of people's brains have trouble distinguishing N1 from W and that's why it's super easy to wake someone up when they're in N1 sleep.
And all of this winds up being called SWJ around here: It's
junk (J) data because there's no way to tease out whether an EEG would say you're asleep (S) or you're awake (W). But if it goes on long enough, it's probably an indication that something was messing with your sleep that night. And the "something" includes the usual non-medical culprits of
bad sleep such as being worried about something or being physically uncomfortable because the bedroom is too hot or too cold or being uncomfortable because you ate or drank too much. Or your allergies could be acting up. Or you could be coming down with a virus. Or your bed partner could be tossing and turning all night long. If you are in pain, that can also trigger a lot of SWJ.
In order to get
good sleep you need to minimize both the number of obstructive events (OAs, Hs, snoring, FLs) and also the amount of SWJ on a typical night. Ideally you want to transition to good continuous N2 sleep reasonably quickly at the beginning of the night and after any wake/arousal that you might have. Once you're in decent N2 sleep, your body will progress to N3 (deep sleep) and REM as the night goes on and you go through complete sleep cycles.
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