0 1 2 3 Tue 08 Jan 1980 Fri 11 Jan 1980 Mon 14 Jan 1980 Thu 17 Jan 1980 Sun 20 Jan 1980 Wed 23 Jan 1980 Sat 26 Jan 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