I sometimes embed images in the body of a draft email (images that I upload to Google, and are not hosted on some external website). After a while the image becomes unavailable:

![enter image description here][1]

How long do embedded images stay available in draft emails in Gmail?

I uploaded the image in the body of the email using the form:

![enter image description here][2]


  [1]: https://i.sstatic.net/ZneF2.png
  [2]: https://i.sstatic.net/fkQGn.png