0 1 2 3 Tue 17 Jan 1939 Sun 22 Jan 1939 Fri 27 Jan 1939 Wed 01 Feb 1939 Mon 06 Feb 1939 Sat 11 Feb 1939 Thu 16 Feb 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