private async void SleepTimer_Tick(object sender, object e)
        {
            if (nepAppMediaPlayerManager.IsPlaying)
            {
                nepAppMediaPlayerManager.Pause();

                if (!await App.GetIfPrimaryWindowVisibleAsync())
                {
                    NepApp.UI.Notifier.ShowGenericToastNotification("Sleep Timer", "Media paused.", "sleep-timer");
                }
            }

            sleepTimer.Stop();
        }