0 1 2 3 Fri 31 Mar 1967 Wed 05 Apr 1967 Mon 10 Apr 1967 Sat 15 Apr 1967 Thu 20 Apr 1967 Tue 25 Apr 1967 Sun 30 Apr 1967 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