for the bridge:
{-------x2-------------------|
|------------------------------------------------------------|
|------------------------------------------------------------|
|-4h5-2---4h5-2---4h5-2--4-4h5-2--4---4h5-2--4-4h5-2--4------|
|------3-------3-------3--------3----------3--------3--------|
|------------------------------------------------------------|
|------------------------------------------------------------|
[ Tab from: http://www.guitaretab.com/s/sleeping-with-sirens/256900.html ]
|----------------------------------------------------------|
|----------20----------20-17-----------20----------20-17p15|
|-----17h19-------17h19-----------17h19-------17h19--------|
|17h19-------17h19-----------17h19-------17h19-------------|
|----------------------------------------------------------|
|----------------------------------------------------------|
The first line you play through only once, with the exception of the part i bracketed
which you play twice. After those brackets, you just play it through. The second line is
through 3 times.