In this episode me and Siim discuss the health benefits sleep, causes and effects of sleep deprivation, and how much sleep you need. We give a comprehensive guide on how to sleep better, improve sleep quality, fall asleep fast, and support circadian rhythm.PART 2 on Siim's YouTube:  https://youtu.be/zEAdn-pJXN4Subscribe to learn more: https://www.youtube.com/iaminkalandSign up to free weekly health tips: http://bit.ly/3UjSRK0Eight Sleep Sleep Mattress (use code INKA for a discount): https://eight-sleep.ioym.net/ORNEbnFollow me on Instagram: https://www.instagram.com/iaminkalandTimestamps:00:25 Benefits of sleep03:25 Effects of Sleep deprivation06:30 Benefits of Sleep: for the brain06:45 Glymphatic system: beta amyloid clearance and brain detox07:50 Amygdala: better mood, calmness, and de-stress09:40 Sleep deprivation and Negativity10:40 Depression and sleep11:50 Hippocampus: memory consolidation12:50 Memory: How to use sleep to improve it13:50 Reaction times: sleep and driving 14:55 Exercise and strength16:00 Nap: restore your cognitive performance16:40 Self-evaluating your sleepiness and energy18:15 Sleeping too much: possible reasons 18:50 What is healthy sleep?: Sleep phases, REM sleep, deep sleep21:20 How much sleep? deep sleep and REM sleep amounts22:30 Pillars of healthy sleep24:20 Neuroplasticity: hippocampus and why sleep is important25:50 Neurotransmitters: Sleep supporting serotonin, dopamine, and noradrenaline27:10 Caffeine: can you compensate sleep deprivation?28:24 Sleep deprivation: causes30:38 Insomnia: Artificial lights31:40 Insomnia: Obesity, diabetes, and hypertension33:25 How to improve sleep: identifying the root cause34:00 Improve sleep: stress management and relaxation35:20 Exercise: how to use it to fall asleep faster and sleep longer35:44 Activating parasympathetic nervous system in the evening37:20 Light: morning light, evening light, and the circadian rhythm40:35 Evening habits: eating and supplements41:00 Sleep supplements: glycine, melatonin, and magnesium43:20 Evening habits: routines, stress reduction, bedroom, electronics44:38 Thoughts: What to think before sleep, meditation