sails debug command not working in Sails.js

I am creating my first sails.js app. When I tried

sails debug

I'm getting the following error on my command prompt

Debugger listening on port 5858
info: Starting app...

error: Grunt :: Error: listen EADDRINUSE
    at exports._errnoException (util.js:746:11)
    at Agent.Server._listen2 (net.js:1129:14)
    at listen (net.js:1155:10)
    at Agent.Server.listen (net.js:1240:5)
    at Object.start (_debugger_agent.js:20:9)
    at startup (node.js:86:9)
    at node.js:814:3

To get the PID of the process using port:5858, I tried running

C:\Windows\system32>netstat -a -n -o

but unfortunately there is no process bound to port 5858. Am I missing something here?

I'm using Windows 8.1 with node.js v0.12.0 and sails.js 0.11.0