All terms
Near equivalentEmergency and welfare
Night work
Work that takes place during a defined night period. Night workers have specific rights relating to health assessments and limits on working time. The definitions of night period and night worker differ between GB, Ireland and the US.
Also known as
night worker
By jurisdiction
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UK HSE
“night work”Exact equivalent“The Working Time Regulations 1998 (SI 1998/1833) define a night worker as one who, as a normal course, works at least three hours during the night period (generally 11pm to 6am). Night workers must not average more than eight hours in any 24-hour period and are entitled to a free health assessment.”
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Irish HSA
“night work”Close equivalentThe Organisation of Working Time Act 1997 defines a night period as midnight to 7am. Night workers may not average more than eight hours in a 24-hour period and are entitled to a health assessment.
Jurisdiction note: The Irish night period (midnight to 7am) differs from the GB night period (11pm to 6am).
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US OSHA
“night work”No equivalentNo equivalent in this jurisdiction.
Jurisdiction note: No US federal equivalent to GB or Irish night work restrictions. The FLSA does not limit working hours for adults or impose night-worker health assessment requirements.
StatutorySource
Practitioner note: The definitions differ across the frameworks, so a worker classed as a night worker in Ireland may not be one in GB. Health assessments must be offered, not imposed.