almost 3 years her

However, though people weren't going to bed at 21:00 anymore, they still had to wake up at the same time in the morning – so their rest was truncated. Ekirch believes that this made their sleep deeper, because it was compressed.

อ่านต่อได้ที่ : โรงเรียนบ้านควรพรุพี

สาระน่ารู้ : ความสำเร็จ