How does caffeine affect sleep?

Mar 16, 2023 ... We sleep, and why we need just the right amount each night. By Laura Williamson, American Heart Association News. Dec 12, 2024 ... This article explores the effect of cannabis on your sleep stages, the benefits, risks, and whether marijuana is the right choice for improving sleep. ... occurs, and sleep onset begins with NREM. REM sleep decreases and shifts to the later part of the sleep cycle. The total NREM and REM sleep cycle is ... Jun 6, 2024 ... There are two main types of sleep that we cycle in and out of when we rest -- REM (rapid eye movement) and non-REM sleep. Mar 7, 2025 ... ETH Zurich researchers found that pupil size changes during sleep, indicating shifts in brain activity. This could help diagnose sleep and ... May 21, 2012 ... Some people report that hypnic jerks happen as they dream they are falling or tripping up. This is an example of the rare phenomenon known as ... Do not stop taking any prescription medication without first talking to your sleep specialist. What Will Happen When I Arrive At The Sleep Center? You will be ... Oct 31, 2019 ... New research from Boston University suggests that tonight while you sleep, something amazing will happen within your brain. Jul 14, 2023 ... Obstructive sleep apnea occurs when the muscles that support the soft tissues in your throat, such as your tongue and soft palate, temporarily relax. Apr 18, 2022 ... You may snore, snort, or make other noises in your sleep as you try to breathe. ... “We notice a lot more people are willing to do sleep tests ...