0 1 2 3 Wed 20 Feb 1980 Mon 25 Feb 1980 Sat 01 Mar 1980 Thu 06 Mar 1980 Tue 11 Mar 1980 Sun 16 Mar 1980 Fri 21 Mar 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