0 1 2 3 Tue 10 Mar 1936 Sun 15 Mar 1936 Fri 20 Mar 1936 Wed 25 Mar 1936 Mon 30 Mar 1936 Sat 04 Apr 1936 Thu 09 Apr 1936 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