0 1 2 3 Thu 13 Dec 1849 Tue 01 Jan 1850 Fri 01 Feb 1850 Fri 01 Mar 1850 Sat 09 Mar 1850 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