Lipitor is a brand name for the drug atorvastatin, which is a type of statin used to lower cholesterol levels in the blood. According to the sources provided, there is no specific time frame recommended for how long one should wait after taking Lipitor to sleep. However, there are some general guidelines that should be followed when taking this medication.

Firstly, it is important to take Lipitor at the same time every day to ensure consistent and effective treatment [1]. This may mean taking it at night before bed, but it is best to consult with a healthcare professional to determine the best time for you to take it based on your individual needs and lifestyle.

Secondly, some people may experience side effects from taking Lipitor, including sleep disturbances [2]. If you are experiencing difficulty sleeping after taking Lipitor, it is recommended to speak with your healthcare provider to discuss potential solutions or adjustments to your medication regimen.

Lastly, it is important to note that Lipitor and other statins should not be stopped without consulting with a healthcare provider [3]. Suddenly stopping statin medication can have negative effects on cholesterol levels and overall health.

In summary, there is no specific time frame recommended for how long one should wait after taking Lipitor to sleep. It is important to take Lipitor at the same time every day, speak with a healthcare provider if experiencing sleep disturbances, and not stop statin medication without consulting with a healthcare provider.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.bhf.org.uk/informationsupport/heart-matters-magazine/medical/ask-the-experts/statins-and-sleep
[3] https://www.unitypoint.org/news-and-articles/can-you-stop-taking-statins-once-you-start