0 1 2 3 Tue 31 Jan 1939 Sun 05 Feb 1939 Fri 10 Feb 1939 Wed 15 Feb 1939 Mon 20 Feb 1939 Sat 25 Feb 1939 Thu 02 Mar 1939 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