Doctor Explains Why Some People Feel Tired After 8 Hours of Sleep

Sleep specialist Dr. Christopher J. Allen revealed that feeling tired after a full night’s sleep is often caused by poor sleep quality, not duration, pointing to disorders like sleep apnea and chronic snoring.

  Wed , October 22 2025 / 12:10 PM Updated At: 2025-10-22 12:10:56

طبيب يوضح أسباب الشعور بالتعب رغم النوم الكافي

American neurologist and sleep specialist Dr. Christopher J. Allen has explained why many people wake up feeling tired even after sleeping for eight hours. He emphasized that the real issue lies in sleep quality, not quantity, as the body may fail to reach the deep restorative stages of sleep.

According to Dr. Allen, undiagnosed disorders such as sleep apnea and chronic snoring can interrupt deep sleep, leaving individuals exhausted despite long hours in bed. Common signs include morning headaches, dry mouth, and persistent fatigue.

He urged people to monitor their sleep behavior, ideally with the help of a partner who can notice irregularities like pauses in breathing or restless movements, and to consult a sleep specialist for proper diagnosis and treatment.

Dr. Allen concluded that the goal should not be to sleep longer but to achieve healthy, continuous sleep that restores both mental and physical energy for the day ahead.

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