Obey 1988.

Methods	Anaesthetic drugs used: alfentanil 7microg/kg, methohexitone 1.5mg/kg, 70% N2O in O2; boluses of methohexitone 0.25mg/kg as required Premed‐induction interval: 60 (minutes)
Participants	60
Interventions	Drug(s) and dose: temazepam 20mg vs. 10mg vs. placebo
Outcomes	Memory; readiness for discharge 3 hours post‐operatively
Notes	1) Patients' assessment of anxiety by visual analogue scale. Temazepam significantly reduced anxiety 2) Difference from placebo? No
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Unclear risk	Method of randomization unknown
Allocation concealment?	Unclear risk	Unclear