Inclusion Criteria  Subjects capable of giving informed consent, or if appropriate, subjects having an acceptable individual capable of giving assent on the subject's behalf Aged over 18 years Admitted to King's Lodge Neurorehabilitation Unit for inpatient rehabilitation after a brain injury Within weight limits to be suitable for weighted blanket use  Exclusion Criteria  On end of life pathway Pain which could be exacerbated by weighted blanket Unable to remove Presence of open wound / pressure sore Allergy to blanket material Participant or consultee unable or unwilling to give informed consent / assent Known respiratory disorder such as asthma, chronic obstructive pulmonary disease, obstructive sleep apnoea which could be exacerbated by use of heavy blanket over chest Claustrophobia