A recent study conducted by Banaras Hindu University (BHU) has revealed a notable shift in teenagers’ natural sleep patterns, with adolescents becoming increasingly active and alert during late-night hours. Researchers have observed that this change in body clocks begins around the age of 14, pushing teenagers toward later bedtimes and late-morning wake-ups.

The study, led by Dr. Pragya Verma under the guidance of Professor Gyaneshwar Chaubey from the Department of Zoology, surveyed 502 students aged 14 to 17. The findings, published in the international journal Discover Psychology on November 22, indicate that many teenagers are falling asleep between 10:15 pm and 12:29 am, and some are staying up even later as they grow older.

Researchers note that this natural shift conflicts with early school schedules, resulting in widespread sleep deprivation. Insufficient sleep is linked to increased mental stress, persistent fatigue, and reduced concentration among adolescents. Many students report that mornings are especially difficult, often leaving them groggy and unproductive.

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Interviews with participants highlighted the mismatch between teens’ productive hours and school routines. Sixteen-year-old Rohit shared that he can focus better at night when the environment is quiet, while 17-year-old Aditi explained that her creativity peaks in the late evening, yet early school timings leave her drained during the day. Seventeen-year-old Karan echoed these concerns, expressing frustration over accumulating “sleep debt” due to rigid school schedules.

The BHU study emphasizes the importance of reconsidering school start times and acknowledging adolescents’ changing circadian rhythms. Experts suggest that aligning school schedules with teenagers’ natural sleep cycles could improve mental health, academic performance, and overall well-being. As teenage sleep patterns continue to shift, the research sheds light on a growing national concern affecting millions of students.

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