0 1 2 3 Fri 30 Nov 1906 Sat 01 Dec 1906 Tue 01 Jan 1907 Fri 01 Feb 1907 Thu 28 Feb 1907 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