0 1 2 3 Sat 12 Dec 1931 Thu 17 Dec 1931 Tue 22 Dec 1931 Sun 27 Dec 1931 Fri 01 Jan 1932 Wed 06 Jan 1932 Mon 11 Jan 1932 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