Chapter
The Impact of Light on Sleep Schedules
1:11:11 - 1:17:22 (06:11)
The speaker discusses their personal sleep routine and how exposure to natural vs. artificial light impacts our internal clocks, causing a desire to sleep at sunset and wake up at sunrise. They also touch on the late night peak in alertness that is often mistaken for insomnia.
Clips
The late night peak in alertness that many people confuse for insomnia is actually a normal part of their circadian cycle.
1:11:11 - 1:13:37 (02:25)
Summary
The late night peak in alertness that many people confuse for insomnia is actually a normal part of their circadian cycle. Some people experience waking up in the early morning and then falling back asleep before waking up again at their typical time.
ChapterThe Impact of Light on Sleep Schedules
EpisodeOptimize Your Brain with Science-based Tools
PodcastHuberman Lab
Waking up in the middle of the night could be a reflection of going to bed too late, as the word "midnight" used to literally mean that humans went to sleep and woke up with the setting and rising of the sun.
1:13:37 - 1:14:59 (01:22)
Summary
Waking up in the middle of the night could be a reflection of going to bed too late, as the word "midnight" used to literally mean that humans went to sleep and woke up with the setting and rising of the sun. Artificial lights have deviated humans from their natural pattern of going to sleep at sunset and waking up before sunrise.
ChapterThe Impact of Light on Sleep Schedules
EpisodeOptimize Your Brain with Science-based Tools
PodcastHuberman Lab
The autonomic nervous system makes it easier for us to delay our sleep time than to accelerate our wake-up time.
1:14:59 - 1:17:22 (02:23)
Summary
The autonomic nervous system makes it easier for us to delay our sleep time than to accelerate our wake-up time. Most people go to bed much later than they want to, missing out on their optimal learning and productivity times in the morning.