diff --git a/src/hotbar.ts b/src/hotbar.ts
index 612d35f..6094842 100644
--- a/src/hotbar.ts
+++ b/src/hotbar.ts
@@ -84,12 +84,12 @@ export class Hotbar {
 
   #offerSleep() {
     let bloodAmount = getPlayerProgress().getBlood();
-    let sleepText = "You're exhausted.";
+    let sleepText = "You're exhausted. Sleep and save your game?";
     if (bloodAmount > 100) {
       sleepText =
-        "You've got some energy left -- are you sure you want to sleep?";
+        "You've got some energy left -- are you sure you want to sleep and save your game?";
     } else if (bloodAmount > 2000) {
-      sleepText = "Are you sure you want to sleep? You have so much energy.";
+      sleepText = "Are you sure you want to sleep and save your game? You have so much energy.";
     }
 
     getCheckModal().show(
diff --git a/src/mapgen.ts b/src/mapgen.ts
index 61d5d72..be99cb8 100644
--- a/src/mapgen.ts
+++ b/src/mapgen.ts
@@ -30,6 +30,8 @@ const NUM_ROOMS_DESIRED = 1;
 const EXTRA_CONNECTOR_CHANCE = 0.15;
 const WINDING_PERCENT = 50;
 
+const DEBUG = false;
+
 // This is an implementation of Nystrom's algorithm:
 // https://journal.stuffwithstuff.com/2014/12/21/rooms-and-mazes/
 class Knife {
@@ -98,7 +100,7 @@ class Knife {
   }
 
   showDebug(merged: Record<number, number>) {
-    if (true) {
+    if (DEBUG) {
       let out = "";
       let errors: string[] = [];
       const size = this.#regions.size;
@@ -110,7 +112,7 @@ class Knife {
               return this.#sealedWalls.get(loc) ? "◘" : "█";
             }
             let r = this.#regions.get(loc);
-            if (typeof r === "number") {
+            if (r !== null) {
               const resolved = merged[r];
               if (typeof resolved === "number") {
                 r = resolved;