Scientists Discover Brain Wave Key to Waking Up

TL;DR
A study using brain scans of 20 people revealed distinct neural activity patterns during awakening from REM and non-REM sleep, explaining why waking up can feel different and sometimes difficult, especially after REM sleep, and providing insights into sleep quality and alertness.
- Brain Scans Reveal Why Waking Up Is Sometimes Such a Difficult Experience Gizmodo
- How Waking Up Works—And Why It’s Sometimes So Hard Scientific American
- Scientists discover a signature 'wave' of activity as the brain awakens from sleep Medical Xpress
- Scientists Identify Unique Brain Wave Linked to Sleep-Wake Transition geneonline.com
- How the Brain Wakes Up: Scientists Trace the Wave of Consciousness That Ends Sleep Sri Lanka Guardian
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