These findings led the researchers to “assume that elderly persons, especially EIs [elderly insomniacs], spending most of their daily life under room light, could receive insufficient light intensity to adjust their circadian timing system [their body’s internal clock].”
حسنا فيل رجاء لا أريد أن نتحدثعن أبيك و دتكا الليله ؟jw2019 jw2019