"position by a bed," usually in reference to attendance on one confined in bed, mid-15c., bedsyde, from late 14c. as two words, beddes side, from genitive of bed (n.) + side (n.). Bedside manner attested from 1848.
the doctor stood at her bedside
bed-rest
bedridden
bedrock
bed-roll
bedroom
bedside
bed-sore
bedspread
bedstead
bed-swerver
bedtime