0 1 2 3 Tue 06 Apr 1971 Fri 09 Apr 1971 Mon 12 Apr 1971 Thu 15 Apr 1971 Sun 18 Apr 1971 Wed 21 Apr 1971 Sat 24 Apr 1971 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