Sleep and Glymphatics
Sleeping on one side or with slightly elevated feet enhances the efficiency of the glymphatic system, promoting better clearance of debris. While not everyone prefers side sleeping, using a thin pillow under the ankles can lead to deeper sleep and increased refreshment upon waking. Additionally, engaging in specific forms of exercise can further support the function of the glymphatic system, benefiting both those with and without brain injuries.In this clip
From this podcast

Huberman Lab
Control Pain & Heal Faster with Your Brain | Huberman Lab Podcast #9
Related Questions
Which is better for enhancing glymphatic function: sleeping on your side or sleeping on your back with elevated feet?
How does elevating feet help glymphatic health as discussed in the episode "This is Your Brain on Sleep, Supplements, Sunlight, and Stimulation — Stanford Neuroscientist Andrew Huberman, PhD" and the clip "The Glymphatic System"?
How does elevating feet help glymphatic health as discussed in the episode This is Your Brain on Sleep, Supplements, Sunlight, and Stimulation — Stanford Neuroscientist Andrew Huberman, PhD and the clip The Glymphatic System?