0 1 2 3 Mon 17 Jan 1938 Fri 21 Jan 1938 Tue 25 Jan 1938 Sat 29 Jan 1938 Wed 02 Feb 1938 Sun 06 Feb 1938 Thu 10 Feb 1938 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