Lipitor is a medication that belongs to the class of drugs known as statins. It is used to reduce the levels of bad cholesterol in the blood, thereby lowering the risk of heart disease and stroke [1]. According to the National Health Service (NHS), Lipitor should be taken once a day, usually at night, with or without food [2]. However, it is recommended to take it at the same time every day to ensure its effectiveness.

As per the sources, there is no specific recommendation on how long one should wait to eat after taking Lipitor before bed. However, it is important to note that certain foods and medications can interact with Lipitor and affect its absorption and effectiveness. Grapefruit and grapefruit juice, for example, can increase the levels of Lipitor in the blood and increase the risk of side effects [2]. Therefore, it is best to avoid consuming grapefruit or grapefruit juice while taking Lipitor.

It is also important to note that certain medications, such as antacids and antibiotics, can interact with Lipitor and affect its absorption and effectiveness. Therefore, it is recommended to consult with a healthcare provider or pharmacist before taking any new medications while on Lipitor [1].

In conclusion, there is no specific recommendation on how long one should wait to eat after taking Lipitor before bed. However, it is recommended to take Lipitor at the same time every day and to avoid consuming grapefruit or grapefruit juice while taking Lipitor. Additionally, it is recommended to consult with a healthcare provider or pharmacist before taking any new medications while on Lipitor [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.nhsinform.scot/tests-and-treatments/medicines-and-medical-aids/types-of-medicine/statins
[3] https://www.endocrineweb.com/conditions/hypothyroidism/morning-still-best-time-take-levothyroxine