0 1 2 3 Sun 06 Apr 1980 Thu 10 Apr 1980 Mon 14 Apr 1980 Fri 18 Apr 1980 Tue 22 Apr 1980 Sat 26 Apr 1980 Wed 30 Apr 1980 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