diff --git a/src/main.zig b/src/main.zig
index 054b924..2d2f631 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -140,7 +140,7 @@ pub fn main() anyerror!void {
     env.set("no-alternate", (res.args.@"no-alternate" != 0));
     env.set("show-input", (res.args.@"show-input" != 0));
     env.set("show-log", (res.args.@"show-log" != 0));
-    env.set("no-sleep", (builtin.os.tag == .windows or res.args.@"no-sleep" != 0));
+    env.set("no-sleep", (res.args.@"no-sleep" != 0));
     env.set("dump-stack-trace", (res.args.@"debug-dump-on-error" != 0));
     if (res.args.@"frame-rate") |s| env.num_set("frame-rate", @intCast(s));
     env.proc_set("log", log_proc.ref());
@@ -203,10 +203,10 @@ pub fn main() anyerror!void {
         if (try is_directory(dest.file)) {
             if (have_project) {
                 std.debug.print("more than one directory is not allowed\n", .{});
-                exit(1);       
+                exit(1);
             }
             try tui_proc.send(.{ "cmd", "open_project_dir", .{dest.file} });
-            
+
             have_project = true;
         } else {
             const curr = try files.addOne();
diff --git a/src/tui/tui.zig b/src/tui/tui.zig
index cc7df43..1a805bd 100644
--- a/src/tui/tui.zig
+++ b/src/tui/tui.zig
@@ -52,7 +52,9 @@ sigwinch_signal: ?tp.signal = null,
 no_sleep: bool = false,
 final_exit: []const u8 = "normal",
 render_pending: bool = false,
+keepalive_timer: ?tp.Cancellable = null,
 
+const keepalive = std.time.us_per_s * 60 * 60 * 24 * 356; // one year
 const idle_frames = 0;
 
 const init_delay = 1; // ms
@@ -122,8 +124,14 @@ fn init(a: Allocator) !*Self {
     try frame_clock.start();
     try self.commands.init(self);
     errdefer self.deinit();
-    if (builtin.os.tag != .windows)
-        try self.listen_sigwinch();
+    switch (builtin.os.tag) {
+        .windows => {
+            self.keepalive_timer = try tp.self_pid().delay_send_cancellable(a, keepalive, .{"keepalive"});
+        },
+        else => {
+            try self.listen_sigwinch();
+        },
+    }
     self.mainview = try mainview.create(a, n);
     self.resize();
     try self.rdr.render();
@@ -141,6 +149,11 @@ fn init_delayed(self: *Self) tp.result {
 }
 
 fn deinit(self: *Self) void {
+    if (self.keepalive_timer) |*t| {
+        t.cancel() catch {};
+        t.deinit();
+        self.keepalive_timer = null;
+    }
     if (self.input_mode) |*m| m.deinit();
     self.commands.deinit();
     self.mainview.deinit(self.a);