TABLE 1.

Pending Massachusetts Legislation endorsed by Sleep Research Society and National Sleep Foundation

Schedule Feature	Proposed Directive
Weekly Work Hours	Optimal maximum: 60 hours per week
	Fixed limit: 80 hours in any week
Consecutive Work Hours	Optimal maximum of 10 consecutive hours
	Fixed maximum of 18 consecutive hours
Maximal frequency of 18-hour night shifts	No more than one 18-hour overnight shift every 3 days
Minimum Hours Off per Day	Minimum Hours Off
- after 10-hour shift	- Optimum ≥12 consecutive hours off/day; minimum of 10 hours off per day
- after ≥18-hour shift	- Minimum of 16 consecutive hours off/day
High-intensity settings	Optimal limits required
Patient notification	Caring physician awake 22 of prior 24 hours
Consecutive Hours Off Duty per Week	Optimum ≥48 consecutive hours off/week
	Minimum 36 consecutive hours off/week, including two consecutive nights weekly.
	Minimum of 60 consecutive hours off duty each month.