Partly updated for Enshrouded 1.0— 1.0: the unlock cost; the rest is pre-1.0 wiki data

Well Rested
The base duration for the Rested buff is increased by 5 Minutes. Increase the Comfort in your home to further increase the duration.
Where Well Rested sits on the 1.0 tree
In the Core area. It touches a starting point, so it costs 1 point to reach.
Builds that use Well Rested
3 preset builds tagged WELL_RESTED — defining picks first, then ranked by tier (S → A → B).
- Crafter SurvivorSurvivor
The gathering nodes in the core of the tree — Lumberjack, Mason, Miner, Prospector and Quality Gear — plus Well Rested, Inner Fires and Fisherman's Resolve.
- Starter — First 10 LevelsHybrid
What to buy before you pick a class: one cheap node from each side — Counterstrike, Fire Resistance, Brute, Marksman — plus Well Rested. Fits in the points level 10 gives.
- Solo Adventurer HybridHybrid
A bit of everything for playing alone: Marksman and Skill Shot for the bow, Battle Heal and Warrior's Path for melee, Healer, Counterstrike and Fire Resistance, Runner and Saviour.
Related Survivor skills
Same archetype — likely candidates to slot next to Well Rested in a build.
Fisherman's Resolve1pIncreases your Fishing Endurance by 30%. Allows for extended battles with hooked fish.
Lumberjack1pFelling axes do 30% more damage against wooden objects including trees.
Mason1pThe Pickaxe deals 30% more damage against stone objects, including resource veins.
Opportunity1pValues in the 1.0 files: 40% per rank, 3 ranks.
Power Parry1pEnemy Stun Bar gain from parries is increased by 30%.
Quality Gear1pValues in the 1.0 files: 20%.
Saviour1pYou only need 3 instead of 6 seconds to revive an ally.
Backstab Damage2pIncrease the damage you deal from behind by 25%.
Sources: game files 1.0 + Keen Games 1.0 patch notes (changelog, combat changes) for the unlock cost; enshrouded.wiki.gg (pre-1.0) for the description and effects.