Advil is a brand name for ibuprofen, a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and reduce fever. According to Drug Patent Watch [1], Advil is available in several forms, including tablets, capsules, and liquid gels.

While NSAIDs are commonly used to treat pain and inflammation, including arthritis, the timing of taking these medications can affect their effectiveness and safety. As per CreakyJoints [2], taking NSAIDs at night may not be as effective as taking them during the day because the body's natural anti-inflammatory hormones are higher in the morning. Additionally, taking NSAIDs before bed can increase the risk of side effects such as gastrointestinal problems and heartburn, which can disrupt sleep.

However, the effects of taking Advil before bed on sleep can vary from person to person. According to a Quora discussion [3], some people reported that taking Advil before bed helped them sleep better, while others experienced difficulty falling asleep.

In conclusion, while Advil is generally safe when taken as directed, the timing of taking this medication can affect its effectiveness and safety. Taking NSAIDs before bed may not be as effective as taking them during the day, and it can increase the risk of side effects that can disrupt sleep. It is advisable to consult a healthcare provider before taking Advil or any other medication to determine the appropriate dosage and timing based on individual needs and medical history.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://creakyjoints.org/living-with-arthritis/treatment-and-care/medications/nsaid-timing-day-better-than-night/
[3] https://www.quora.com/Will-taking-Advil-before-going-to-sleep-make-it-harder-to-fall-asleep