PROBLEM TO BE SOLVED: To provide a bathing system and a network system capable of presenting bathing conditions contributing to improvement of sleep without taking the user's time and effort.SOLUTION: A bathing system 1 comprises: a hot water supply device 3 for supplying hot water into a bathtub； sleep state determination means 9 for determining the sleep state of a user； bathing condition creation means 13 which creates bathing conditions including one or both of a hot water temperature condition and a hot water volume condition of the bathtub, on the basis of a result of determination by the sleep state determination means 9； bathing condition presentation means (display unit 11) which presents the bathing conditions created by the bathing condition creation means 13 to the user； and hot water supply control means 14 which controls the hot water supply device 3 on the basis of the bathing conditions.SELECTED DRAWING: Figure 3【課題】ユーザーの手間を掛けることなく、睡眠の改善に寄与する入浴条件を提示できる入浴システム及びネットワークシステムを提供する。【解決手段】入浴システム１は、浴槽に湯を供給する給湯装置３と、ユーザーの睡眠状態を判定する睡眠状態判定手段９と、睡眠状態判定手段９の判定結果に基づいて、浴槽の湯温条件及び湯量条件の一方または両方の情報を含む入浴条件を作成する入浴条件作成手段１３と、入浴条件作成手段１３が作成した入浴条件をユーザーに提示する入浴条件提示手段（表示部１１）と、入浴条件に基づいて給湯装置３を制御する給湯制御手段１４と、を備える。【選択図】図３
