Justin Bieber’s pop song “Wake Me up in 7 Hours” is very popular. The official music video was released 29 July 2013. It was directed by celebrity photographer Mark Seliger and co-directed by CB “Barney” Miller. Kristina Romanova and young girl Laneya Grace star in the video. The video shows a rural town that is disgusted by the city. The two girls then go on horseback to the city.
Our genes and circadian biology determine how much sleep we need. On average, we need 7-9 hours of sleep each night. However, some people need much more or less than that. You can set your bedtime to coincide with your wake-up time if you have to get up early. However, if you want to be fresh and productive during the day, you should ideally be awake by 4 a.m.