0 1 2 3 Thu 17 Dec 1925 Fri 01 Jan 1926 Mon 01 Feb 1926 Mon 01 Mar 1926 Thu 18 Mar 1926 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