diff --git a/public/index.html b/public/index.html
index c41f774..5adb705 100644
--- a/public/index.html
+++ b/public/index.html
@@ -288,12 +288,13 @@
         </symbol>
     </svg>
     <!-- Scripts -->
-    <script src="scripts/zip.min.js" async></script>
     <script src="scripts/util.js"></script>
     <script src="scripts/network.js"></script>
-    <script src="scripts/qrcode.js" async></script>
     <script src="scripts/ui.js"></script>
     <script src="scripts/theme.js" async></script>
+    <script src="scripts/qrcode.js" async></script>
+    <script src="scripts/zip.min.js" async></script>
+    <script src="scripts/NoSleep.min.js" async></script>
     <!-- Sounds -->
     <audio id="blop" autobuffer="true">
         <source src="/sounds/blop.mp3" type="audio/mpeg">
diff --git a/public/scripts/NoSleep.min.js b/public/scripts/NoSleep.min.js
new file mode 100644
index 0000000..202c35c
--- /dev/null
+++ b/public/scripts/NoSleep.min.js
@@ -0,0 +1,2 @@
+/*! NoSleep.min.js v0.12.0 - git.io/vfn01 - Rich Tibbett - MIT license */
+!function(A,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.NoSleep=e():A.NoSleep=e()}(this,(function(){return function(A){var e={};function B(g){if(e[g])return e[g].exports;var o=e[g]={i:g,l:!1,exports:{}};return A[g].call(o.exports,o,o.exports,B),o.l=!0,o.exports}return B.m=A,B.c=e,B.d=function(A,e,g){B.o(A,e)||Object.defineProperty(A,e,{enumerable:!0,get:g})},B.r=function(A){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(A,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(A,"__esModule",{value:!0})},B.t=function(A,e){if(1&e&&(A=B(A)),8&e)return A;if(4&e&&"object"==typeof A&&A&&A.__esModule)return A;var g=Object.create(null);if(B.r(g),Object.defineProperty(g,"default",{enumerable:!0,value:A}),2&e&&"string"!=typeof A)for(var o in A)B.d(g,o,function(e){return A[e]}.bind(null,o));return g},B.n=function(A){var e=A&&A.__esModule?function(){return A.default}:function(){return A};return B.d(e,"a",e),e},B.o=function(A,e){return Object.prototype.hasOwnProperty.call(A,e)},B.p="",B(B.s=0)}([function(A,e,B){"use strict";var g=function(){function A(A,e){for(var B=0;B<e.length;B++){var g=e[B];g.enumerable=g.enumerable||!1,g.configurable=!0,"value"in g&&(g.writable=!0),Object.defineProperty(A,g.key,g)}}return function(e,B,g){return B&&A(e.prototype,B),g&&A(e,g),e}}();var o=B(1),E=o.webm,n=o.mp4,C=function(){return"undefined"!=typeof navigator&&parseFloat((""+(/CPU.*OS ([0-9_]{3,4})[0-9_]{0,1}|(CPU like).*AppleWebKit.*Mobile/i.exec(navigator.userAgent)||[0,""])[1]).replace("undefined","3_2").replace("_",".").replace("_",""))<10&&!window.MSStream},Q=function(){return"wakeLock"in navigator},i=function(){function A(){var e=this;if(function(A,e){if(!(A instanceof e))throw new TypeError("Cannot call a class as a function")}(this,A),this.enabled=!1,Q()){this._wakeLock=null;var B=function(){null!==e._wakeLock&&"visible"===document.visibilityState&&e.enable()};document.addEventListener("visibilitychange",B),document.addEventListener("fullscreenchange",B)}else C()?this.noSleepTimer=null:(this.noSleepVideo=document.createElement("video"),this.noSleepVideo.setAttribute("title","No Sleep"),this.noSleepVideo.setAttribute("playsinline",""),this._addSourceToVideo(this.noSleepVideo,"webm",E),this._addSourceToVideo(this.noSleepVideo,"mp4",n),this.noSleepVideo.addEventListener("loadedmetadata",(function(){e.noSleepVideo.duration<=1?e.noSleepVideo.setAttribute("loop",""):e.noSleepVideo.addEventListener("timeupdate",(function(){e.noSleepVideo.currentTime>.5&&(e.noSleepVideo.currentTime=Math.random())}))})))}return g(A,[{key:"_addSourceToVideo",value:function(A,e,B){var g=document.createElement("source");g.src=B,g.type="video/"+e,A.appendChild(g)}},{key:"enable",value:function(){var A=this;return Q()?navigator.wakeLock.request("screen").then((function(e){A._wakeLock=e,A.enabled=!0,console.log("Wake Lock active."),A._wakeLock.addEventListener("release",(function(){console.log("Wake Lock released.")}))})).catch((function(e){throw A.enabled=!1,console.error(e.name+", "+e.message),e})):C()?(this.disable(),console.warn("\n        NoSleep enabled for older iOS devices. This can interrupt\n        active or long-running network requests from completing successfully.\n        See https://github.com/richtr/NoSleep.js/issues/15 for more details.\n      "),this.noSleepTimer=window.setInterval((function(){document.hidden||(window.location.href=window.location.href.split("#")[0],window.setTimeout(window.stop,0))}),15e3),this.enabled=!0,Promise.resolve()):this.noSleepVideo.play().then((function(e){return A.enabled=!0,e})).catch((function(e){throw A.enabled=!1,e}))}},{key:"disable",value:function(){Q()?(this._wakeLock&&this._wakeLock.release(),this._wakeLock=null):C()?this.noSleepTimer&&(console.warn("\n          NoSleep now disabled for older iOS devices.\n        "),window.clearInterval(this.noSleepTimer),this.noSleepTimer=null):this.noSleepVideo.pause(),this.enabled=!1}},{key:"isEnabled",get:function(){return this.enabled}}]),A}();A.exports=i},function(A,e,B){"use 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diff --git a/public/scripts/ui.js b/public/scripts/ui.js
index 75eedd9..51417e2 100644
--- a/public/scripts/ui.js
+++ b/public/scripts/ui.js
@@ -284,6 +284,8 @@ class PeerUI {
     _bindListeners(el) {
         if(!window.pasteMode.activated) {
             el.querySelector('input').addEventListener('change', e => this._onFilesSelected(e));
+            el.addEventListener('click', _ => NoSleepUI.enable());
+            el.addEventListener('touchstart', _ => NoSleepUI.enable());
             el.addEventListener('drop', e => this._onDrop(e));
             el.addEventListener('dragend', e => this._onDragEnd(e));
             el.addEventListener('dragleave', e => this._onDragEnd(e));
@@ -435,6 +437,7 @@ class ReceiveDialog extends Dialog {
         }
     }
 }
+
 class ReceiveFileDialog extends ReceiveDialog {
 
     constructor() {
@@ -642,6 +645,7 @@ class ReceiveRequestDialog extends ReceiveDialog {
         this.requestingPeerId = null;
         if (accepted) {
             Events.fire('set-progress', {peerId: this._peerId, progress: 0, status: 'wait'});
+            NoSleepUI.enable();
         }
     }
 
@@ -1145,6 +1149,26 @@ class WebShareTargetUI {
     }
 }
 
+class NoSleepUI {
+    constructor() {
+        NoSleepUI._nosleep = new NoSleep();
+    }
+
+    static enable() {
+        if (!this._interval) {
+            NoSleepUI._nosleep.enable();
+            NoSleepUI._interval = setInterval(_ => NoSleepUI.disable(), 10000);
+        }
+    }
+
+    static disable() {
+        if ($$('x-peer[status]') === null) {
+            clearInterval(NoSleepUI._interval);
+            NoSleepUI._nosleep.disable();
+        }
+    }
+}
+
 class PersistentStorage {
     constructor() {
         if (!('indexedDB' in window)) {
@@ -1337,6 +1361,7 @@ class PairDrop {
             const notifications = new Notifications();
             const networkStatusUI = new NetworkStatusUI();
             const webShareTargetUI = new WebShareTargetUI();
+            const noSleepUI = new NoSleepUI();
         });
     }
 }
diff --git a/public/service-worker.js b/public/service-worker.js
index e0538b7..17dc7ac 100644
--- a/public/service-worker.js
+++ b/public/service-worker.js
@@ -8,6 +8,7 @@ var urlsToCache = [
   'scripts/util.js',
   'scripts/qrcode.js',
   'scripts/zip.min.js',
+  'scripts/NoSleep.min.js',
   'scripts/theme.js',
   'sounds/blop.mp3',
   'images/favicon-96x96.png'