😴〰️🧠〰️💤➡️🔄

#sleep stages #rem sleep #deep sleep #NREM sleep #sleep architecture #sleep phases

αδ〰️🧠

#brainwaves #gee #alpha waves #delta waves #sleep stages #relaxation state #bio signal

😴〰️🧠〰️😴

#sleep stages #sleep phases #light sleep #sleep cycle graph #sleep architecture