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Wake bouts is also referred to as "nocturnal awakenings". There are always comparable number of wake bouts to sleep bouts.

Wake bouts is also referred to as "nocturnal awakenings". There are always comparable number of wake bouts to sleep bouts.

Wake bouts is also referred to as "nocturnal awakenings". There are always comparable number of wake bouts to sleep bouts.

Wake bouts is also referred to as "nocturnal awakenings". There are always comparable number of wake bouts to sleep bouts.

Wake bouts is also referred to as "nocturnal awakenings". There are always comparable number of wake bouts to sleep bouts.

... Studies scored as “sleep wake” have all sleep stages ... were scored as “sleep wake”: 201047_081408 and 301041_112108 (both ...

... shhs1-200001 1 22.00.00 0 wake 1 shhs1-200001 2 22.00.30 0.5 wake 1 shhs1-200001 3 22.01.00 1 wake 1 etc 4) To ...

Total time oxygen saturation above 92% during wake, in minutes

Data was lost at the end of sleep period because recording ended before wake.

Self-reported normal wake time on weekdays

Self-reported normal wake time on weekends

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you wake up in middle of the night or early morning?

Item from the Women's Health Initiative Insomnia Rating Scale. Levine et al.(2003) Search for all WHIIRS variables within this datasetOriginal Question: Pick the answer that best describes how often you experienced the situation in the LAST 4 WEEKS. 7C. Did you wake up earlier than you planned to?

Item from the Women's Health Initiative Insomnia Rating Scale. Levine et al.(2003) Search for all WHIIRS variables within this datasetOriginal Question: Pick the answer that best describes how often you experienced the situation in the LAST 4 WEEKS. 7B. Did you wake up several times at night?

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month how often have you had trouble sleeping because you: Wake up in the middle of the night or early morning? Search for all PSQI variables within this dataset

Data was lost at the end of sleep period because recording ended before wake.

If Clinical MSLT, the wake time before the MSLT is the participant's nPSG wake time. Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).Search for all Multiple Sleep Latency Test variables within this dataset

How often, if ever, do you have any of the following problems sleeping? (Circle one response for each item.) Do you wake up too early in the morning and can't get back to sleep?

How often, if ever, do you have any of the following problems sleeping? (Circle one response for each item.) Do you wake up repeatedly during the night?

When the technical quality of the EEG does not allow distinction between sleep stages, but allows a differentiation between sleep and wake. The time considered sleep will be marked as Stage 2. No arousals will be scored for these studies.

Data was lost at the end of sleep period because recording ended before wake.

Study was scored sleep/wake rather than with full sleep staging. This assessment is made by the scorer if there is not sufficient quality on EEG leads to do full R&K scoring. (0=no (full scoring); 1=yes (sleep/wake only)) Studies scored as sleep wake have all sleep stages scored using a default of Stage 2 and no arousals are scored.