เสียงที่ใช้ร่วมกัน

Kya aapko pata hai ki hum sote waqt bhi hamara dimaag kaam karta rehta hai? Hume neend isliye aati hai kyunki hamara brain poore din ki thakan ke baad khud ko repair karta hai aur body ko rest deta hai. Raat hote hi ek hormone release hota hai jise melatonin kehte hain, jo hume sone ka signal deta hai. Lekin asli interesting baat yeh hai…