Modifiers matching disturbance:

• ocular,
• powerful,
• climactic,
• natural,
• emotional,
• functional,
• unnatural,
• metabolic,
• magnetic,
• abundant,
• random,
• mental,
• subtle,
• external,
• behavioral,
• atmospheric,
• normal,
• retinal,
• unwanted,
• massive,
• intense,
• public,
• psychiatric,
• tropical,
• cerebral,
• major,
• concurrent,
• affective,
• physical,
• undersea,
• acoustic,
• perceptual,
• general,
• neuropsychological,
• local,
• current,
• underlying,
• significant,
• autonomic,
• concomitant,
• psychological,
• unplanned,
• physiological,
• possible,
• heavy,
• meteorological,
• predictable,
• spatial,
• abrupt,
• recent,
• under,
• periodic,
• historical,
• unforeseeable,
• infrequent,
• civil,
• neurologic,
• regular,
• unforeseen,
• extreme,
• world,
• nearby,
• temporary,
• visual,
• macroeconomic,
• small,
• underwater,
• discrete,
• neurotic,
• dramatic,
• profound,
• nutritional,
• big,
• artificial,
• stochastic,
• unusual,
• behavioural,
• distressing,
• simple,
• internal,
• logical,
• digestive,
• changing,
• outer,
• political,
• out,
• regional,
• organic,
• sensitive,
• psychotic,
• diverse,
• climatic,
• menstrual,
• chronic,
• electric,
• outside,
• neurological,
• solar,
• surgical,
• discontinuous,
• transient,
• related,
• biochemical,
• ecological,
• acute,
• localized,
• psychic,
• dynamic,
• neural,
• hydraulic,
• single,
• annoying,
• past,
• violent,
• seasonal,
• psychosomatic,
• animal,
• destructive,
• sufficient,
• industrial,
• larger,
• constitutional,
• minor,
• social,
• large,
• lasting,
• induced,
• motor,
• complex,
• routine,
• relevant,
• painful,
• terrestrial,
• dangerous,
• monetary,
• serious,
• marine,
• cardiovascular,
• nonliving,
• cyclonic,
• repressed,
• linear,
• future,
• petty,
• planetary,
• biological,
• sensory,
• widespread,
• hemodynamic,
• worldwide,
• static,
• systemic,
• cognitive,
• electrical,
• hard,
• environmental,
• impulsive,
• weather,
• lesser,
• mechanical,
• unexpected,
• biogenic,
• geometric,
• common,
• additional,
• exogenous,
• seismic,
• ordinary,
• catastrophic,
• global,
• preexisting,
• agricultural,
• permanent,
• strong,
• audible,
• fluid,
• nervous,
• abstract,
• reversible,
• severe,
• sudden,
• unpredictable,
• anthropogenic,
• nocturnal,
• primary,
• rare,
• episodic,
• neuropsychiatric,

Simple categories matching nocturnal:

• reptile,
• animal,
• feeder,
• creature,
• snake,
• lepidopteran,
• movement,
• mammal,
• predator,
• amphibian,
• pest,
• behavior,
• song,
• inhabitant,
• insect,
• gecko,
• insectivore,
• rodent,
• pollinator,
• bird,
• lemur,
• marsupial,
• scavenger,
• form,
• critter,
• fauna,
• disturbance,
• denizen,
• prey,
• species,
• activity,
• carnivore,
• crustacean,
• fish,
• raptor,
• lizard,
• organism,
• invertebrate,
• varmint,
• cat,
• bug,