0 1 2 3 Mon 01 Feb 1937 Fri 05 Feb 1937 Tue 09 Feb 1937 Sat 13 Feb 1937 Wed 17 Feb 1937 Sun 21 Feb 1937 Thu 25 Feb 1937 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