0 1 2 3 Sun 20 Mar 1977 Wed 23 Mar 1977 Sat 26 Mar 1977 Tue 29 Mar 1977 Fri 01 Apr 1977 Mon 04 Apr 1977 Thu 07 Apr 1977 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