As few as 9 hours and as many as 16 hours may be appropriate. Preschoolers (between 3 and 5 years old) sleep between 10 and 13 hours each day. As few as 8 hours and as many as 14 hours may be appropriate. School-aged children (6 to 13 years old) need 9 to 11 hours of sleep each day. As few as 7 hours and as many as 12 hours may be appropriate. Teens (14 to 17 years old) need 8 to 10 hours each day to feel their best.
Who Many Grammy Awards Has Bruno Mars Won? Bruno has been nominated for 13 Grammy Awards - he's won one - and a total of 113 awards globally, including BRIT awards, AMA's and MOBO Awards. 10 images
Bruno Mars' 10 Biggest Billboard Hits are based on actual performance on the weekly Billboard Hot 100, through the chart dated Feb. 8. Songs are ranked using an inverse point system, with weeks at No. 1 earning the greatest value and weeks at No. 100 earning the least.