0 1 2 3 Sun 13 Dec 1931 Fri 18 Dec 1931 Wed 23 Dec 1931 Mon 28 Dec 1931 Sat 02 Jan 1932 Thu 07 Jan 1932 Tue 12 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