How do you wake up in the morning? If you set an alarm on your phone or clock that sounds like this: beep-beep-beep, that hard, unpleasant sound may be making it harder to shake off the sleepy feeling in the morning known as grogginess (昏昏沉沉).【小题1】? A recent study says yes. The answer is music.

Researchers say alarms that have a melody can help people feel fresher in the morning. The study, carried out by researchers in Australia, involved 50 people. They answered questions about the alarm sound they like to wake up to. 【小题2】.

Sleep inertia (惯性) is another term for grogginess.【小题3】, and has trouble getting moving again after sleeping. People need to better understand sleep inertia’s harmful effects on human performance later in the day. The grogginess we may feel in the morning usually lasts for up to 30 minutes, but some may last from two to four hours. Not everyone will experience the full effect.

【小题4】, especially when they perform duties that require a top performance within this period or for people who work in dangerous situations shortly after they wake. So, what makes musical alarms better for waking up?【小题5】.