Fixing Sleep That Isn't Skipping the Night
You installed the data pack expecting faster nights, but the sun keeps rising the slow way. Here's how to diagnose the usual culprits.
Confirm the Gamerule Is Active
Type /gamerule playersSleepingPercentage and read the response. If it still shows the vanilla value, the data pack may not be loaded. Check that it appears in your data packs list with /datapack list. If it's missing, the pack isn't enabled for this world.
Count Your Online Players
Remember the percentage applies to players currently online, not your total roster. If three people are connected and the value requires more than that, the skip can never fire. Either get more people into beds or lower the number.
Rule Out Other Blockers
Beds won't work if it's not night, if a monster is within range, or if the player is in a dimension where sleeping is disabled. Thunderstorms can also interfere depending on your setup. If it still fails, temporarily set the gamerule to a very low number to test whether the pack itself is functioning.