Why a 10pm bedtime could protect teens’ hearts

Getting teenagers to sleep earlier may feel like an impossible mission, but experts say it could pay off in a big way - protecting their heart health well into adulthood. New research suggests that teens who regularly go to bed later than 10pm may face a higher risk of heart disease later in life, compared to those who stick to earlier, more consistent sleep routines.

Researchers found that late bedtimes are often linked to unhealthy habits, including shorter sleep duration, poor diet, lack of physical activity and smoking, which are all key risk factors for cardiovascular disease. Over time, these behaviours can affect blood pressure, cholesterol levels and metabolism, increasing long-term heart risks.

Health experts emphasise that teenagers need eight to 10 hours of sleep each night to support healthy growth, mental wellbeing and cardiovascular function. Yet screen time, social media and academic pressure continue to push bedtimes later.

While a 10pm bedtime may sound strict, specialists say it’s less about control and more about consistency. Encouraging earlier nights could be one of the simplest ways parents can support teen sleep health, heart disease prevention and long-term wellbeing starting today.