0 1 2 3 Wed 21 Mar 1956 Mon 26 Mar 1956 Sat 31 Mar 1956 Thu 05 Apr 1956 Tue 10 Apr 1956 Sun 15 Apr 1956 Fri 20 Apr 1956 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