"Let's say you start your day with 30 minutes of snoozing - your last 30 minutes of sleep was poor-quality interrupted sleep. So, pressing snooze once or twice may not be the worst thing, but more than that is not advised due to its effects on cognition and mood."
"If the first alarm sounds and jolts you out of slow wave sleep (deep sleep) or REM, pressing snooze allows you to re-enter into a lighter stage of sleep (N1 or N2) before having to fully wake up."
"Snoozers are more likely to feel drowsy when they wake up, but they are also more likely to be night owls, which probably also lends to the feeling of drowsiness."
"Setting multiple alarms can cause us to feel more sleep inertia, which will make the whole waking up experience more difficult and disorienting."
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