Waking very early in the morning

Өглөө эрт сэрэх (монгол)
Просыпаться очень рано утром (ру́сский)

Possible common causes

• Age-related sleep changes
• Anxiety
• Chronic Stress
• Circadian Rhythms
• Depression
• Hypothyroidism
• Insomnia
• Menopause
• Obesity
• Obstructive sleep apnea (OSA)
• Pregnant
• Prescription drugs and injections