0 1 2 3 Mon 31 Mar 1975 Fri 04 Apr 1975 Tue 08 Apr 1975 Sat 12 Apr 1975 Wed 16 Apr 1975 Sun 20 Apr 1975 Thu 24 Apr 1975 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