# Unexpected delay while building Gradio server **URL:** \ **Category:** Spaces\ **Created:** [April 21, 2025, 11:07am UTC](https://discuss.huggingface.co/t/unexpected-delay-while-building-gradio-server/151592 "2025-04-21T11:07:21Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![John6666](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/john6666/32/27664_2.png) [@John6666](https://discuss.huggingface.co/u/John6666)\ **Post date:** [April 21, 2025, 11:37am UTC](https://discuss.huggingface.co/t/unexpected-delay-while-building-gradio-server/151592/2 "2025-04-21T11:37:37Z")
> [@Issue with FlaskAPI in a Private Space After Sleeping Mode](https://discuss.huggingface.co/t/issue-with-flaskapi-in-a-private-space-after-sleeping-mode/147150): > > Hey everyone, I’m facing an issue with my FlaskAPI running in a private Hugging Face Space. I’ve set the space to enter sleeping mode after some time to save resources. However, when I try to wake it up after a few hours by sending a GET/POST request, I get a 404 error. I suspect this might be related to the spaces-jwt token refreshing periodically. I found this thread discussing JWT expiration settings: [https://discuss.huggingface.co/t/how-to-modify-the-fastapi-jwt-token-expiration-setting-i…](https://discuss.huggingface.co/t/how-to-modify-the-fastapi-jwt-token-expiration-setting-issued-by-huggingface/78593) I think there may be a bug in Spaces’ sleep mode… > 2 Maybe no. > 1 It may be possible to configure this via Python, regardless of whether it is paid or free. > **[Manage your Space](https://huggingface.co/docs/huggingface_hub/guides/manage-spaces)** > > We’re on a journey to advance and democratize artificial intelligence through open source and open science. > Put your Space to sleep after 1h of inactivity > api.set\_space\_sleep\_time(repo\_id=repo\_id, sleep\_time=3600) --- _[View the full topic](https://discuss.huggingface.co/t/unexpected-delay-while-building-gradio-server/151592)._