Usage and Effects The effects of the soft gels can be long-lasting, making them a consideration for those seeking support for sleep. abx.org abx.org +1 Onset Time: Effects typically begin within 30 minutes to 2 hours after oral consumption. Duration: The effects generally last for several hours, depending on individual metabolism and tolerance. Usage: It is generally recommended to take a capsule with water before bedtime. It is often advised to start with a lower dose to gauge individual response. User and Expert Reviews Effectiveness: Some users report deep sleep without significant grogginess the next morning.