0 1 2 3 Wed 18 Dec 1850 Wed 01 Jan 1851 Sat 01 Feb 1851 Sat 01 Mar 1851 Tue 01 Apr 1851 Thu 01 May 1851 Sat 10 May 1851 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All