What is "kurai" in English?

BRAIN SLEEP is a Japan-based sleep start-up company established with the ... The three-layer and seven-gradient structure developed with Japanese ... Kaizo Hayashi's debut is a hauntingly beautiful ode to the silent era that yearns for a distant past—back to an illusory world teeming with new excitements ... Overview · The official English journal of the Japanese Society of Sleep Research. · Publishes original research articles dealing with sleep and wakefulness, ... The purpose of establishing these institutes was to conduct sleep research focusing on sleep science and sleep disorders, to develop sleep medicine for citizens ... Crocetin is a carotenoid with antioxidant activity. It has been reported that 14 consecutive days of crocetin intake increases delta power during sleep and ... Apr 13, 2024 ... From sleeping on mats on the floor to using modern sleep pods, Japan has a special way of integrating sleep into daily life. Japanese Admiral Isoroku Yamamoto, who planned the attack on Pearl Harbor ... sleeping giant and fill him with a terrible resolve.” Whether or not the ... Capsule Bed "Sleep Capsule" · From the Birth of the Sleep Capsule (Japanese Sleeping Pods) to the Present · Environmentally Friendly Panel Assembly Capsule Beds ... Mar 21, 2025 ... According to Healthline, Japanese floor mattresses tend to be firmer than traditional beds. Their naturally firm support promotes deep sleep ... Frailty status was determined using the Japanese version of the Cardiovascular Health Study (J-CHS) and the Kihon Checklist (KCL). Its relationship was examined ...