n. in questionnaire form, this standardized test applies a five-point quantitative scale. Designed to measure sleep disturbance, it measures the frequency of interrupted sleep within the last 3 months on a scale of never (1) to every night (5). First developed for Nordic countries such as Denmark, Sweden, Norway, Finland, and Iceland, courtesy of the Scandinavian Sleep Research Society.
BASIC NORDIC SLEEP QUESTIONNAIRE (BNSQ): “Before sleep deprivation becomes a major issue, an insomniac may find the Basic Nordic Sleep Questionnaire (BNSQ) highly-recommended.”