0 1 2 3 Sat 18 Dec 1915 Sat 25 Dec 1915 Sat 01 Jan 1916 Sat 08 Jan 1916 Sat 15 Jan 1916 Sat 22 Jan 1916 Sat 29 Jan 1916 Sat 05 Feb 1916 Wed 09 Feb 1916 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