🧠⚡️💤

#narcolepsy #neurological disorder #sleep regulation #brain signal #sudden sleepiness #sleep wake cycle

🧠⏰☀️<->🌙

#circadian rhythm #brain clock #internal clock #sleep regulation #day night signals #biological clock

🕰️😴

#body clock #circadian rhythm #sleep regulation #sleep schedule #internal clock #sleep cycle

☀️⏰🧠😌

#light therapy #circadian rhythm #sleep regulation #brain health #mood regulation #phototherapy #biological clock

🧠🌙😴

#melatonin #circadian rhythm #sleep cycle #biological clock #sleep regulation #brain function #light sensitivity

🧠↔️😴

#pons #brainstem #sleep regulation #rem sleep #brain function #neurology

😴🧠

#sleep pressure #neuromodulator #brain activity #inhibitory neurotransmitter #sleep regulation #drowsiness