0 1 2 3 Sat 10 Jan 1931 Thu 15 Jan 1931 Tue 20 Jan 1931 Sun 25 Jan 1931 Fri 30 Jan 1931 Wed 04 Feb 1931 Mon 09 Feb 1931 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