0 1 2 3 Sat 26 Dec 1987 Tue 29 Dec 1987 Fri 01 Jan 1988 Mon 04 Jan 1988 Thu 07 Jan 1988 Sun 10 Jan 1988 Wed 13 Jan 1988 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