0 1 2 3 Mon 31 Mar 1958 Sat 05 Apr 1958 Thu 10 Apr 1958 Tue 15 Apr 1958 Sun 20 Apr 1958 Fri 25 Apr 1958 Wed 30 Apr 1958 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