0 1 2 3 Tue 12 Feb 1980 Tue 19 Feb 1980 Tue 26 Feb 1980 Tue 04 Mar 1980 Tue 11 Mar 1980 Tue 18 Mar 1980 Tue 25 Mar 1980 Tue 01 Apr 1980 Tue 08 Apr 1980 Tue 15 Apr 1980 Sat 19 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